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Finding the Fourth Proportional to 317,866.10, 476,799.15 and 96,250.10

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Solution

The fourth proportional to 317,866.10, 476,799.15 and 96,250.10 is: 144,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,866.10 : 476,799.15 = 96,250.10 : x
  2. Step 2: Convert to fraction form
    317,866.10/476,799.15 = 96,250.10/x
  3. Step 3: Cross multiply
    317,866.10x = 476,799.15 × 96,250.10
  4. Step 4: Simplify right side
    317,866.10x = 45,891,965,867.42
  5. Step 5: Solve for x
    x = 45,891,965,867.42/317,866.10
  6. Step 6: Final answer
    x = 144,375.15

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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.