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Finding the Fourth Proportional to 132,132.92, 182,494.92 and 87,012.68

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Solution

The fourth proportional to 132,132.92, 182,494.92 and 87,012.68 is: 120,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,132.92 : 182,494.92 = 87,012.68 : x
  2. Step 2: Convert to fraction form
    132,132.92/182,494.92 = 87,012.68/x
  3. Step 3: Cross multiply
    132,132.92x = 182,494.92 × 87,012.68
  4. Step 4: Simplify right side
    132,132.92x = 15,879,372,075.59
  5. Step 5: Solve for x
    x = 15,879,372,075.59/132,132.92
  6. Step 6: Final answer
    x = 120,177.26

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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.