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Finding the Fourth Proportional to 122,737.52, 169,382.04 and 69,032

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Solution

The fourth proportional to 122,737.52, 169,382.04 and 69,032 is: 95,266.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,737.52 : 169,382.04 = 69,032 : x
  2. Step 2: Convert to fraction form
    122,737.52/169,382.04 = 69,032/x
  3. Step 3: Cross multiply
    122,737.52x = 169,382.04 × 69,032
  4. Step 4: Simplify right side
    122,737.52x = 11,692,780,985.28
  5. Step 5: Solve for x
    x = 11,692,780,985.28/122,737.52
  6. Step 6: Final answer
    x = 95,266.56

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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.