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Finding the Fourth Proportional to 101,601.80, 152,489.10 and 45,528.20

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Solution

The fourth proportional to 101,601.80, 152,489.10 and 45,528.20 is: 68,331.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,601.80 : 152,489.10 = 45,528.20 : x
  2. Step 2: Convert to fraction form
    101,601.80/152,489.10 = 45,528.20/x
  3. Step 3: Cross multiply
    101,601.80x = 152,489.10 × 45,528.20
  4. Step 4: Simplify right side
    101,601.80x = 6,942,554,242.62
  5. Step 5: Solve for x
    x = 6,942,554,242.62/101,601.80
  6. Step 6: Final answer
    x = 68,331.02

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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.