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Finding the Fourth Proportional to 132,125.68, 182,310.60 and 74,767.60

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Solution

The fourth proportional to 132,125.68, 182,310.60 and 74,767.60 is: 103,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,125.68 : 182,310.60 = 74,767.60 : x
  2. Step 2: Convert to fraction form
    132,125.68/182,310.60 = 74,767.60/x
  3. Step 3: Cross multiply
    132,125.68x = 182,310.60 × 74,767.60
  4. Step 4: Simplify right side
    132,125.68x = 13,630,926,016.56
  5. Step 5: Solve for x
    x = 13,630,926,016.56/132,125.68
  6. Step 6: Final answer
    x = 103,166.36

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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.