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Finding the Fourth Proportional to 148,335.40, 222,524.70 and 48,471.40

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Solution

The fourth proportional to 148,335.40, 222,524.70 and 48,471.40 is: 72,714.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,335.40 : 222,524.70 = 48,471.40 : x
  2. Step 2: Convert to fraction form
    148,335.40/222,524.70 = 48,471.40/x
  3. Step 3: Cross multiply
    148,335.40x = 222,524.70 × 48,471.40
  4. Step 4: Simplify right side
    148,335.40x = 10,786,083,743.58
  5. Step 5: Solve for x
    x = 10,786,083,743.58/148,335.40
  6. Step 6: Final answer
    x = 72,714.16

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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.