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Finding the Fourth Proportional to 151,706.40, 227,122.20 and 92,657.40

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Solution

The fourth proportional to 151,706.40, 227,122.20 and 92,657.40 is: 138,718.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,706.40 : 227,122.20 = 92,657.40 : x
  2. Step 2: Convert to fraction form
    151,706.40/227,122.20 = 92,657.40/x
  3. Step 3: Cross multiply
    151,706.40x = 227,122.20 × 92,657.40
  4. Step 4: Simplify right side
    151,706.40x = 21,044,552,534.28
  5. Step 5: Solve for x
    x = 21,044,552,534.28/151,706.40
  6. Step 6: Final answer
    x = 138,718.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.