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Finding the Fourth Proportional to 368,044.65, 552,093.23 and 98,171.28

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Solution

The fourth proportional to 368,044.65, 552,093.23 and 98,171.28 is: 147,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,044.65 : 552,093.23 = 98,171.28 : x
  2. Step 2: Convert to fraction form
    368,044.65/552,093.23 = 98,171.28/x
  3. Step 3: Cross multiply
    368,044.65x = 552,093.23 × 98,171.28
  4. Step 4: Simplify right side
    368,044.65x = 54,199,699,068.43
  5. Step 5: Solve for x
    x = 54,199,699,068.43/368,044.65
  6. Step 6: Final answer
    x = 147,263.92

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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.