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Finding the Fourth Proportional to 125,842.59, 173,662.80 and 69,253.97

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Solution

The fourth proportional to 125,842.59, 173,662.80 and 69,253.97 is: 95,570.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,842.59 : 173,662.80 = 69,253.97 : x
  2. Step 2: Convert to fraction form
    125,842.59/173,662.80 = 69,253.97/x
  3. Step 3: Cross multiply
    125,842.59x = 173,662.80 × 69,253.97
  4. Step 4: Simplify right side
    125,842.59x = 12,026,837,473.00
  5. Step 5: Solve for x
    x = 12,026,837,473.00/125,842.59
  6. Step 6: Final answer
    x = 95,570.49

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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.