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Finding the Fourth Proportional to 125,884.59, 173,724.38 and 68,527.64

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Solution

The fourth proportional to 125,884.59, 173,724.38 and 68,527.64 is: 94,570.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,884.59 : 173,724.38 = 68,527.64 : x
  2. Step 2: Convert to fraction form
    125,884.59/173,724.38 = 68,527.64/x
  3. Step 3: Cross multiply
    125,884.59x = 173,724.38 × 68,527.64
  4. Step 4: Simplify right side
    125,884.59x = 11,904,920,560.60
  5. Step 5: Solve for x
    x = 11,904,920,560.60/125,884.59
  6. Step 6: Final answer
    x = 94,570.12

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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.