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Finding the Fourth Proportional to 132,423.88, 182,748.57 and 71,998.59

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Solution

The fourth proportional to 132,423.88, 182,748.57 and 71,998.59 is: 99,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,423.88 : 182,748.57 = 71,998.59 : x
  2. Step 2: Convert to fraction form
    132,423.88/182,748.57 = 71,998.59/x
  3. Step 3: Cross multiply
    132,423.88x = 182,748.57 × 71,998.59
  4. Step 4: Simplify right side
    132,423.88x = 13,157,639,364.52
  5. Step 5: Solve for x
    x = 13,157,639,364.52/132,423.88
  6. Step 6: Final answer
    x = 99,360.02

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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.