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Finding the Fourth Proportional to 125,864.74, 173,693.72 and 69,276.12

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Solution

The fourth proportional to 125,864.74, 173,693.72 and 69,276.12 is: 95,601.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,864.74 : 173,693.72 = 69,276.12 : x
  2. Step 2: Convert to fraction form
    125,864.74/173,693.72 = 69,276.12/x
  3. Step 3: Cross multiply
    125,864.74x = 173,693.72 × 69,276.12
  4. Step 4: Simplify right side
    125,864.74x = 12,032,826,989.97
  5. Step 5: Solve for x
    x = 12,032,826,989.97/125,864.74
  6. Step 6: Final answer
    x = 95,601.25

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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.