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Finding the Fourth Proportional to 373,176.60, 559,983.60 and 136,543.20

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Solution

The fourth proportional to 373,176.60, 559,983.60 and 136,543.20 is: 204,894.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,176.60 : 559,983.60 = 136,543.20 : x
  2. Step 2: Convert to fraction form
    373,176.60/559,983.60 = 136,543.20/x
  3. Step 3: Cross multiply
    373,176.60x = 559,983.60 × 136,543.20
  4. Step 4: Simplify right side
    373,176.60x = 76,461,952,691.52
  5. Step 5: Solve for x
    x = 76,461,952,691.52/373,176.60
  6. Step 6: Final answer
    x = 204,894.82

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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.