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Finding the Fourth Proportional to 96,348.80, 132,941.40 and 66,123.12

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Solution

The fourth proportional to 96,348.80, 132,941.40 and 66,123.12 is: 91,236.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,348.80 : 132,941.40 = 66,123.12 : x
  2. Step 2: Convert to fraction form
    96,348.80/132,941.40 = 66,123.12/x
  3. Step 3: Cross multiply
    96,348.80x = 132,941.40 × 66,123.12
  4. Step 4: Simplify right side
    96,348.80x = 8,790,500,145.17
  5. Step 5: Solve for x
    x = 8,790,500,145.17/96,348.80
  6. Step 6: Final answer
    x = 91,236.22

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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.