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Finding the Fourth Proportional to 132,263.69, 182,525.20 and 71,834.90

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Solution

The fourth proportional to 132,263.69, 182,525.20 and 71,834.90 is: 99,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,263.69 : 182,525.20 = 71,834.90 : x
  2. Step 2: Convert to fraction form
    132,263.69/182,525.20 = 71,834.90/x
  3. Step 3: Cross multiply
    132,263.69x = 182,525.20 × 71,834.90
  4. Step 4: Simplify right side
    132,263.69x = 13,111,679,423.97
  5. Step 5: Solve for x
    x = 13,111,679,423.97/132,263.69
  6. Step 6: Final answer
    x = 99,132.88

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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.