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Finding the Fourth Proportional to 125,967.52, 173,827.20 and 69,378.89

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Solution

The fourth proportional to 125,967.52, 173,827.20 and 69,378.89 is: 95,738.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,967.52 : 173,827.20 = 69,378.89 : x
  2. Step 2: Convert to fraction form
    125,967.52/173,827.20 = 69,378.89/x
  3. Step 3: Cross multiply
    125,967.52x = 173,827.20 × 69,378.89
  4. Step 4: Simplify right side
    125,967.52x = 12,059,937,840.91
  5. Step 5: Solve for x
    x = 12,059,937,840.91/125,967.52
  6. Step 6: Final answer
    x = 95,738.48

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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.