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Finding the Fourth Proportional to 101,624.68, 152,425.14 and 40,832.49

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Solution

The fourth proportional to 101,624.68, 152,425.14 and 40,832.49 is: 61,243.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,624.68 : 152,425.14 = 40,832.49 : x
  2. Step 2: Convert to fraction form
    101,624.68/152,425.14 = 40,832.49/x
  3. Step 3: Cross multiply
    101,624.68x = 152,425.14 × 40,832.49
  4. Step 4: Simplify right side
    101,624.68x = 6,223,897,795.56
  5. Step 5: Solve for x
    x = 6,223,897,795.56/101,624.68
  6. Step 6: Final answer
    x = 61,243.96

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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.