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Finding the Fourth Proportional to 132,700.44, 182,947.50 and 128,572.68

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Solution

The fourth proportional to 132,700.44, 182,947.50 and 128,572.68 is: 177,256.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,700.44 : 182,947.50 = 128,572.68 : x
  2. Step 2: Convert to fraction form
    132,700.44/182,947.50 = 128,572.68/x
  3. Step 3: Cross multiply
    132,700.44x = 182,947.50 × 128,572.68
  4. Step 4: Simplify right side
    132,700.44x = 23,522,050,374.30
  5. Step 5: Solve for x
    x = 23,522,050,374.30/132,700.44
  6. Step 6: Final answer
    x = 177,256.76

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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.