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Finding the Fourth Proportional to 127,333.58, 191,020.15 and 38,565.95

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Solution

The fourth proportional to 127,333.58, 191,020.15 and 38,565.95 is: 57,854.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,333.58 : 191,020.15 = 38,565.95 : x
  2. Step 2: Convert to fraction form
    127,333.58/191,020.15 = 38,565.95/x
  3. Step 3: Cross multiply
    127,333.58x = 191,020.15 × 38,565.95
  4. Step 4: Simplify right side
    127,333.58x = 7,366,873,553.89
  5. Step 5: Solve for x
    x = 7,366,873,553.89/127,333.58
  6. Step 6: Final answer
    x = 57,854.92

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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.