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Finding the Fourth Proportional to 148,159.80, 222,239.70 and 108,793.80

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Solution

The fourth proportional to 148,159.80, 222,239.70 and 108,793.80 is: 163,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,159.80 : 222,239.70 = 108,793.80 : x
  2. Step 2: Convert to fraction form
    148,159.80/222,239.70 = 108,793.80/x
  3. Step 3: Cross multiply
    148,159.80x = 222,239.70 × 108,793.80
  4. Step 4: Simplify right side
    148,159.80x = 24,178,301,473.86
  5. Step 5: Solve for x
    x = 24,178,301,473.86/148,159.80
  6. Step 6: Final answer
    x = 163,190.70

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1.5x scale

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.