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Finding the Fourth Proportional to 125,937.55, 173,801.73 and 69,348.93

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Solution

The fourth proportional to 125,937.55, 173,801.73 and 69,348.93 is: 95,705.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,937.55 : 173,801.73 = 69,348.93 : x
  2. Step 2: Convert to fraction form
    125,937.55/173,801.73 = 69,348.93/x
  3. Step 3: Cross multiply
    125,937.55x = 173,801.73 × 69,348.93
  4. Step 4: Simplify right side
    125,937.55x = 12,052,964,007.65
  5. Step 5: Solve for x
    x = 12,052,964,007.65/125,937.55
  6. Step 6: Final answer
    x = 95,705.88

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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.