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Finding the Fourth Proportional to 125,634, 173,374.92 and 69,049.02

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Solution

The fourth proportional to 125,634, 173,374.92 and 69,049.02 is: 95,287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,634 : 173,374.92 = 69,049.02 : x
  2. Step 2: Convert to fraction form
    125,634/173,374.92 = 69,049.02/x
  3. Step 3: Cross multiply
    125,634x = 173,374.92 × 69,049.02
  4. Step 4: Simplify right side
    125,634x = 11,971,368,318.58
  5. Step 5: Solve for x
    x = 11,971,368,318.58/125,634
  6. Step 6: Final answer
    x = 95,287.65

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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.