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Finding the Fourth Proportional to 317,751.68, 476,627.14 and 81,094.39

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Solution

The fourth proportional to 317,751.68, 476,627.14 and 81,094.39 is: 121,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,751.68 : 476,627.14 = 81,094.39 : x
  2. Step 2: Convert to fraction form
    317,751.68/476,627.14 = 81,094.39/x
  3. Step 3: Cross multiply
    317,751.68x = 476,627.14 × 81,094.39
  4. Step 4: Simplify right side
    317,751.68x = 38,651,787,175.74
  5. Step 5: Solve for x
    x = 38,651,787,175.74/317,751.68
  6. Step 6: Final answer
    x = 121,641.49

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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.