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Finding the Fourth Proportional to 148,482.90, 222,724.34 and 43,301.86

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Solution

The fourth proportional to 148,482.90, 222,724.34 and 43,301.86 is: 64,952.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,482.90 : 222,724.34 = 43,301.86 : x
  2. Step 2: Convert to fraction form
    148,482.90/222,724.34 = 43,301.86/x
  3. Step 3: Cross multiply
    148,482.90x = 222,724.34 × 43,301.86
  4. Step 4: Simplify right side
    148,482.90x = 9,644,378,189.27
  5. Step 5: Solve for x
    x = 9,644,378,189.27/148,482.90
  6. Step 6: Final answer
    x = 64,952.79

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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.