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Finding the Fourth Proportional to 132,342.40, 198,513.60 and 123,529.60

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Solution

The fourth proportional to 132,342.40, 198,513.60 and 123,529.60 is: 185,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,342.40 : 198,513.60 = 123,529.60 : x
  2. Step 2: Convert to fraction form
    132,342.40/198,513.60 = 123,529.60/x
  3. Step 3: Cross multiply
    132,342.40x = 198,513.60 × 123,529.60
  4. Step 4: Simplify right side
    132,342.40x = 24,522,305,602.56
  5. Step 5: Solve for x
    x = 24,522,305,602.56/132,342.40
  6. Step 6: Final answer
    x = 185,294.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.