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Finding the Fourth Proportional to 88,193.61, 121,693.68 and 52,382.70

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Solution

The fourth proportional to 88,193.61, 121,693.68 and 52,382.70 is: 72,280.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,193.61 : 121,693.68 = 52,382.70 : x
  2. Step 2: Convert to fraction form
    88,193.61/121,693.68 = 52,382.70/x
  3. Step 3: Cross multiply
    88,193.61x = 121,693.68 × 52,382.70
  4. Step 4: Simplify right side
    88,193.61x = 6,374,643,531.34
  5. Step 5: Solve for x
    x = 6,374,643,531.34/88,193.61
  6. Step 6: Final answer
    x = 72,280.11

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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.