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Finding the Fourth Proportional to 124,641.91, 187,002.20 and 94,799.10

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Solution

The fourth proportional to 124,641.91, 187,002.20 and 94,799.10 is: 142,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,641.91 : 187,002.20 = 94,799.10 : x
  2. Step 2: Convert to fraction form
    124,641.91/187,002.20 = 94,799.10/x
  3. Step 3: Cross multiply
    124,641.91x = 187,002.20 × 94,799.10
  4. Step 4: Simplify right side
    124,641.91x = 17,727,640,258.02
  5. Step 5: Solve for x
    x = 17,727,640,258.02/124,641.91
  6. Step 6: Final answer
    x = 142,228.57

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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.