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Finding the Fourth Proportional to 148,646.80, 222,624.60 and 101,645.20

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Solution

The fourth proportional to 148,646.80, 222,624.60 and 101,645.20 is: 152,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,646.80 : 222,624.60 = 101,645.20 : x
  2. Step 2: Convert to fraction form
    148,646.80/222,624.60 = 101,645.20/x
  3. Step 3: Cross multiply
    148,646.80x = 222,624.60 × 101,645.20
  4. Step 4: Simplify right side
    148,646.80x = 22,628,721,991.92
  5. Step 5: Solve for x
    x = 22,628,721,991.92/148,646.80
  6. Step 6: Final answer
    x = 152,231.48

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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.