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Finding the Fourth Proportional to 132,493.96, 182,794.98 and 75,124.72

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Solution

The fourth proportional to 132,493.96, 182,794.98 and 75,124.72 is: 103,645.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,493.96 : 182,794.98 = 75,124.72 : x
  2. Step 2: Convert to fraction form
    132,493.96/182,794.98 = 75,124.72/x
  3. Step 3: Cross multiply
    132,493.96x = 182,794.98 × 75,124.72
  4. Step 4: Simplify right side
    132,493.96x = 13,732,421,689.91
  5. Step 5: Solve for x
    x = 13,732,421,689.91/132,493.96
  6. Step 6: Final answer
    x = 103,645.64

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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.