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Finding the Fourth Proportional to 376,865.48, 565,385.60 and 124,136.88

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Solution

The fourth proportional to 376,865.48, 565,385.60 and 124,136.88 is: 186,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,865.48 : 565,385.60 = 124,136.88 : x
  2. Step 2: Convert to fraction form
    376,865.48/565,385.60 = 124,136.88/x
  3. Step 3: Cross multiply
    376,865.48x = 565,385.60 × 124,136.88
  4. Step 4: Simplify right side
    376,865.48x = 70,185,204,380.93
  5. Step 5: Solve for x
    x = 70,185,204,380.93/376,865.48
  6. Step 6: Final answer
    x = 186,234.10

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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.