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Finding the Fourth Proportional to 65,345,998.80, 98,018,998.20 and 17,476,942.80

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Solution

The fourth proportional to 65,345,998.80, 98,018,998.20 and 17,476,942.80 is: 26,215,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,345,998.80 : 98,018,998.20 = 17,476,942.80 : x
  2. Step 2: Convert to fraction form
    65,345,998.80/98,018,998.20 = 17,476,942.80/x
  3. Step 3: Cross multiply
    65,345,998.80x = 98,018,998.20 × 17,476,942.80
  4. Step 4: Simplify right side
    65,345,998.80x = 1,713,072,424,854,703
  5. Step 5: Solve for x
    x = 1,713,072,424,854,703/65,345,998.80
  6. Step 6: Final answer
    x = 26,215,414.20

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.