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Finding the Fourth Proportional to 91,101.43, 136,652.17 and 48,923.50

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Solution

The fourth proportional to 91,101.43, 136,652.17 and 48,923.50 is: 73,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,101.43 : 136,652.17 = 48,923.50 : x
  2. Step 2: Convert to fraction form
    91,101.43/136,652.17 = 48,923.50/x
  3. Step 3: Cross multiply
    91,101.43x = 136,652.17 × 48,923.50
  4. Step 4: Simplify right side
    91,101.43x = 6,685,501,755.73
  5. Step 5: Solve for x
    x = 6,685,501,755.73/91,101.43
  6. Step 6: Final answer
    x = 73,385.26

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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.