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Finding the Fourth Proportional to 315,150.73, 472,754.95 and 125,565.17

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Solution

The fourth proportional to 315,150.73, 472,754.95 and 125,565.17 is: 188,359.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,150.73 : 472,754.95 = 125,565.17 : x
  2. Step 2: Convert to fraction form
    315,150.73/472,754.95 = 125,565.17/x
  3. Step 3: Cross multiply
    315,150.73x = 472,754.95 × 125,565.17
  4. Step 4: Simplify right side
    315,150.73x = 59,361,552,987.40
  5. Step 5: Solve for x
    x = 59,361,552,987.40/315,150.73
  6. Step 6: Final answer
    x = 188,359.24

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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.