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Finding the Fourth Proportional to 133,006.92, 198,061.92 and 131,534.34

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Solution

The fourth proportional to 133,006.92, 198,061.92 and 131,534.34 is: 195,869.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,006.92 : 198,061.92 = 131,534.34 : x
  2. Step 2: Convert to fraction form
    133,006.92/198,061.92 = 131,534.34/x
  3. Step 3: Cross multiply
    133,006.92x = 198,061.92 × 131,534.34
  4. Step 4: Simplify right side
    133,006.92x = 26,051,942,278.35
  5. Step 5: Solve for x
    x = 26,051,942,278.35/133,006.92
  6. Step 6: Final answer
    x = 195,869.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.