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Finding the Fourth Proportional to 62,306.87, 93,475.03 and 20,186.87

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Solution

The fourth proportional to 62,306.87, 93,475.03 and 20,186.87 is: 30,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,306.87 : 93,475.03 = 20,186.87 : x
  2. Step 2: Convert to fraction form
    62,306.87/93,475.03 = 20,186.87/x
  3. Step 3: Cross multiply
    62,306.87x = 93,475.03 × 20,186.87
  4. Step 4: Simplify right side
    62,306.87x = 1,886,968,462.08
  5. Step 5: Solve for x
    x = 1,886,968,462.08/62,306.87
  6. Step 6: Final answer
    x = 30,285.08

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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.