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Finding the Fourth Proportional to 104,499.99, 156,700.61 and 40,488.12

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Solution

The fourth proportional to 104,499.99, 156,700.61 and 40,488.12 is: 60,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,499.99 : 156,700.61 = 40,488.12 : x
  2. Step 2: Convert to fraction form
    104,499.99/156,700.61 = 40,488.12/x
  3. Step 3: Cross multiply
    104,499.99x = 156,700.61 × 40,488.12
  4. Step 4: Simplify right side
    104,499.99x = 6,344,512,937.27
  5. Step 5: Solve for x
    x = 6,344,512,937.27/104,499.99
  6. Step 6: Final answer
    x = 60,713.05

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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.