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Finding the Fourth Proportional to 103,228.82, 154,793.10 and 60,545.87

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Solution

The fourth proportional to 103,228.82, 154,793.10 and 60,545.87 is: 90,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,228.82 : 154,793.10 = 60,545.87 : x
  2. Step 2: Convert to fraction form
    103,228.82/154,793.10 = 60,545.87/x
  3. Step 3: Cross multiply
    103,228.82x = 154,793.10 × 60,545.87
  4. Step 4: Simplify right side
    103,228.82x = 9,372,082,362.58
  5. Step 5: Solve for x
    x = 9,372,082,362.58/103,228.82
  6. Step 6: Final answer
    x = 90,789.40

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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.