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Finding the Fourth Proportional to 373,178.64, 559,770.48 and 136,423.92

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Solution

The fourth proportional to 373,178.64, 559,770.48 and 136,423.92 is: 204,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,178.64 : 559,770.48 = 136,423.92 : x
  2. Step 2: Convert to fraction form
    373,178.64/559,770.48 = 136,423.92/x
  3. Step 3: Cross multiply
    373,178.64x = 559,770.48 × 136,423.92
  4. Step 4: Simplify right side
    373,178.64x = 76,366,083,181.88
  5. Step 5: Solve for x
    x = 76,366,083,181.88/373,178.64
  6. Step 6: Final answer
    x = 204,636.80

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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.