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Finding the Fourth Proportional to 218,545.28, 301,567.52 and 123,049.52

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Solution

The fourth proportional to 218,545.28, 301,567.52 and 123,049.52 is: 169,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,545.28 : 301,567.52 = 123,049.52 : x
  2. Step 2: Convert to fraction form
    218,545.28/301,567.52 = 123,049.52/x
  3. Step 3: Cross multiply
    218,545.28x = 301,567.52 × 123,049.52
  4. Step 4: Simplify right side
    218,545.28x = 37,107,738,583.59
  5. Step 5: Solve for x
    x = 37,107,738,583.59/218,545.28
  6. Step 6: Final answer
    x = 169,794.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.