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Finding the Fourth Proportional to 132,061.50, 198,121.41 and 48,955.50

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Solution

The fourth proportional to 132,061.50, 198,121.41 and 48,955.50 is: 73,444.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,061.50 : 198,121.41 = 48,955.50 : x
  2. Step 2: Convert to fraction form
    132,061.50/198,121.41 = 48,955.50/x
  3. Step 3: Cross multiply
    132,061.50x = 198,121.41 × 48,955.50
  4. Step 4: Simplify right side
    132,061.50x = 9,699,132,687.26
  5. Step 5: Solve for x
    x = 9,699,132,687.26/132,061.50
  6. Step 6: Final answer
    x = 73,444.06

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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.