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Finding the Fourth Proportional to 132,487.54, 182,754.80 and 83,350.88

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Solution

The fourth proportional to 132,487.54, 182,754.80 and 83,350.88 is: 114,975.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,487.54 : 182,754.80 = 83,350.88 : x
  2. Step 2: Convert to fraction form
    132,487.54/182,754.80 = 83,350.88/x
  3. Step 3: Cross multiply
    132,487.54x = 182,754.80 × 83,350.88
  4. Step 4: Simplify right side
    132,487.54x = 15,232,773,404.22
  5. Step 5: Solve for x
    x = 15,232,773,404.22/132,487.54
  6. Step 6: Final answer
    x = 114,975.14

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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.