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Finding the Fourth Proportional to 373,370.20, 559,715.10 and 136,655.80

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Solution

The fourth proportional to 373,370.20, 559,715.10 and 136,655.80 is: 204,859.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,370.20 : 559,715.10 = 136,655.80 : x
  2. Step 2: Convert to fraction form
    373,370.20/559,715.10 = 136,655.80/x
  3. Step 3: Cross multiply
    373,370.20x = 559,715.10 × 136,655.80
  4. Step 4: Simplify right side
    373,370.20x = 76,488,314,762.58
  5. Step 5: Solve for x
    x = 76,488,314,762.58/373,370.20
  6. Step 6: Final answer
    x = 204,859.18

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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.