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Finding the Fourth Proportional to 160,487.46, 221,472.30 and 92,503.89

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Solution

The fourth proportional to 160,487.46, 221,472.30 and 92,503.89 is: 127,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,487.46 : 221,472.30 = 92,503.89 : x
  2. Step 2: Convert to fraction form
    160,487.46/221,472.30 = 92,503.89/x
  3. Step 3: Cross multiply
    160,487.46x = 221,472.30 × 92,503.89
  4. Step 4: Simplify right side
    160,487.46x = 20,487,049,277.25
  5. Step 5: Solve for x
    x = 20,487,049,277.25/160,487.46
  6. Step 6: Final answer
    x = 127,655.14

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1.5x scale

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.