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Finding the Fourth Proportional to 124,565.58, 171,901.04 and 67,978.17

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Solution

The fourth proportional to 124,565.58, 171,901.04 and 67,978.17 is: 93,810.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,565.58 : 171,901.04 = 67,978.17 : x
  2. Step 2: Convert to fraction form
    124,565.58/171,901.04 = 67,978.17/x
  3. Step 3: Cross multiply
    124,565.58x = 171,901.04 × 67,978.17
  4. Step 4: Simplify right side
    124,565.58x = 11,685,517,780.41
  5. Step 5: Solve for x
    x = 11,685,517,780.41/124,565.58
  6. Step 6: Final answer
    x = 93,810.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.