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Finding the Fourth Proportional to 101,549.20, 152,323.80 and 49,061.20

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Solution

The fourth proportional to 101,549.20, 152,323.80 and 49,061.20 is: 73,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,549.20 : 152,323.80 = 49,061.20 : x
  2. Step 2: Convert to fraction form
    101,549.20/152,323.80 = 49,061.20/x
  3. Step 3: Cross multiply
    101,549.20x = 152,323.80 × 49,061.20
  4. Step 4: Simplify right side
    101,549.20x = 7,473,188,416.56
  5. Step 5: Solve for x
    x = 7,473,188,416.56/101,549.20
  6. Step 6: Final answer
    x = 73,591.80

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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.