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Finding the Fourth Proportional to 101,612.48, 152,471.03 and 48,364.83

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Solution

The fourth proportional to 101,612.48, 152,471.03 and 48,364.83 is: 72,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,612.48 : 152,471.03 = 48,364.83 : x
  2. Step 2: Convert to fraction form
    101,612.48/152,471.03 = 48,364.83/x
  3. Step 3: Cross multiply
    101,612.48x = 152,471.03 × 48,364.83
  4. Step 4: Simplify right side
    101,612.48x = 7,374,235,204.05
  5. Step 5: Solve for x
    x = 7,374,235,204.05/101,612.48
  6. Step 6: Final answer
    x = 72,572.14

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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.