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Finding the Fourth Proportional to 133,062.40, 199,648.28 and 48,862.90

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Solution

The fourth proportional to 133,062.40, 199,648.28 and 48,862.90 is: 73,314.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,062.40 : 199,648.28 = 48,862.90 : x
  2. Step 2: Convert to fraction form
    133,062.40/199,648.28 = 48,862.90/x
  3. Step 3: Cross multiply
    133,062.40x = 199,648.28 × 48,862.90
  4. Step 4: Simplify right side
    133,062.40x = 9,755,393,940.81
  5. Step 5: Solve for x
    x = 9,755,393,940.81/133,062.40
  6. Step 6: Final answer
    x = 73,314.43

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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.