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Finding the Fourth Proportional to 132,168.41, 182,387.51 and 71,737.76

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Solution

The fourth proportional to 132,168.41, 182,387.51 and 71,737.76 is: 98,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,168.41 : 182,387.51 = 71,737.76 : x
  2. Step 2: Convert to fraction form
    132,168.41/182,387.51 = 71,737.76/x
  3. Step 3: Cross multiply
    132,168.41x = 182,387.51 × 71,737.76
  4. Step 4: Simplify right side
    132,168.41x = 13,084,071,419.38
  5. Step 5: Solve for x
    x = 13,084,071,419.38/132,168.41
  6. Step 6: Final answer
    x = 98,995.45

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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.