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Finding the Fourth Proportional to 46,297,872.80, 69,479,986.80 and 26,081,655.20

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Solution

The fourth proportional to 46,297,872.80, 69,479,986.80 and 26,081,655.20 is: 39,141,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,297,872.80 : 69,479,986.80 = 26,081,655.20 : x
  2. Step 2: Convert to fraction form
    46,297,872.80/69,479,986.80 = 26,081,655.20/x
  3. Step 3: Cross multiply
    46,297,872.80x = 69,479,986.80 × 26,081,655.20
  4. Step 4: Simplify right side
    46,297,872.80x = 1,812,153,059,018,151.25
  5. Step 5: Solve for x
    x = 1,812,153,059,018,151.25/46,297,872.80
  6. Step 6: Final answer
    x = 39,141,173.22

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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.