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Finding the Fourth Proportional to 316,404.90, 474,468.87 and 94,737.06

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Solution

The fourth proportional to 316,404.90, 474,468.87 and 94,737.06 is: 142,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,404.90 : 474,468.87 = 94,737.06 : x
  2. Step 2: Convert to fraction form
    316,404.90/474,468.87 = 94,737.06/x
  3. Step 3: Cross multiply
    316,404.90x = 474,468.87 × 94,737.06
  4. Step 4: Simplify right side
    316,404.90x = 44,949,785,805.32
  5. Step 5: Solve for x
    x = 44,949,785,805.32/316,404.90
  6. Step 6: Final answer
    x = 142,064.13

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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.