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Finding the Fourth Proportional to 141,903.60, 195,724.05 and 96,500.88

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Solution

The fourth proportional to 141,903.60, 195,724.05 and 96,500.88 is: 133,101.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,903.60 : 195,724.05 = 96,500.88 : x
  2. Step 2: Convert to fraction form
    141,903.60/195,724.05 = 96,500.88/x
  3. Step 3: Cross multiply
    141,903.60x = 195,724.05 × 96,500.88
  4. Step 4: Simplify right side
    141,903.60x = 18,887,543,062.16
  5. Step 5: Solve for x
    x = 18,887,543,062.16/141,903.60
  6. Step 6: Final answer
    x = 133,101.23

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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.