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Finding the Fourth Proportional to 133,062.30, 199,593.45 and 130,437.90

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Solution

The fourth proportional to 133,062.30, 199,593.45 and 130,437.90 is: 195,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,062.30 : 199,593.45 = 130,437.90 : x
  2. Step 2: Convert to fraction form
    133,062.30/199,593.45 = 130,437.90/x
  3. Step 3: Cross multiply
    133,062.30x = 199,593.45 × 130,437.90
  4. Step 4: Simplify right side
    133,062.30x = 26,034,550,471.76
  5. Step 5: Solve for x
    x = 26,034,550,471.76/133,062.30
  6. Step 6: Final answer
    x = 195,656.85

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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.