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Finding the Fourth Proportional to 132,168.33, 182,387.41 and 71,737.67

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Solution

The fourth proportional to 132,168.33, 182,387.41 and 71,737.67 is: 98,995.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,168.33 : 182,387.41 = 71,737.67 : x
  2. Step 2: Convert to fraction form
    132,168.33/182,387.41 = 71,737.67/x
  3. Step 3: Cross multiply
    132,168.33x = 182,387.41 × 71,737.67
  4. Step 4: Simplify right side
    132,168.33x = 13,084,047,830.73
  5. Step 5: Solve for x
    x = 13,084,047,830.73/132,168.33
  6. Step 6: Final answer
    x = 98,995.33

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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.