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Finding the Fourth Proportional to 71,377.52, 98,547.20 and 45,895.32

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Solution

The fourth proportional to 71,377.52, 98,547.20 and 45,895.32 is: 63,365.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,377.52 : 98,547.20 = 45,895.32 : x
  2. Step 2: Convert to fraction form
    71,377.52/98,547.20 = 45,895.32/x
  3. Step 3: Cross multiply
    71,377.52x = 98,547.20 × 45,895.32
  4. Step 4: Simplify right side
    71,377.52x = 4,522,855,279.10
  5. Step 5: Solve for x
    x = 4,522,855,279.10/71,377.52
  6. Step 6: Final answer
    x = 63,365.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.