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Finding the Fourth Proportional to 349,552.80, 524,226.80 and 124,887.20

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Solution

The fourth proportional to 349,552.80, 524,226.80 and 124,887.20 is: 187,294.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,552.80 : 524,226.80 = 124,887.20 : x
  2. Step 2: Convert to fraction form
    349,552.80/524,226.80 = 124,887.20/x
  3. Step 3: Cross multiply
    349,552.80x = 524,226.80 × 124,887.20
  4. Step 4: Simplify right side
    349,552.80x = 65,469,217,216.96
  5. Step 5: Solve for x
    x = 65,469,217,216.96/349,552.80
  6. Step 6: Final answer
    x = 187,294.21

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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.