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Finding the Fourth Proportional to 148,502.70, 222,571.80 and 101,117.70

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Solution

The fourth proportional to 148,502.70, 222,571.80 and 101,117.70 is: 151,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,502.70 : 222,571.80 = 101,117.70 : x
  2. Step 2: Convert to fraction form
    148,502.70/222,571.80 = 101,117.70/x
  3. Step 3: Cross multiply
    148,502.70x = 222,571.80 × 101,117.70
  4. Step 4: Simplify right side
    148,502.70x = 22,505,948,500.86
  5. Step 5: Solve for x
    x = 22,505,948,500.86/148,502.70
  6. Step 6: Final answer
    x = 151,552.45

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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.