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Finding the Fourth Proportional to 160,487.46, 221,472.30 and 92,503.88

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Solution

The fourth proportional to 160,487.46, 221,472.30 and 92,503.88 is: 127,655.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,487.46 : 221,472.30 = 92,503.88 : x
  2. Step 2: Convert to fraction form
    160,487.46/221,472.30 = 92,503.88/x
  3. Step 3: Cross multiply
    160,487.46x = 221,472.30 × 92,503.88
  4. Step 4: Simplify right side
    160,487.46x = 20,487,047,062.52
  5. Step 5: Solve for x
    x = 20,487,047,062.52/160,487.46
  6. Step 6: Final answer
    x = 127,655.13

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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.