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Finding the Fourth Proportional to 60,292.55, 90,452.50 and 20,850.01

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Solution

The fourth proportional to 60,292.55, 90,452.50 and 20,850.01 is: 31,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,292.55 : 90,452.50 = 20,850.01 : x
  2. Step 2: Convert to fraction form
    60,292.55/90,452.50 = 20,850.01/x
  3. Step 3: Cross multiply
    60,292.55x = 90,452.50 × 20,850.01
  4. Step 4: Simplify right side
    60,292.55x = 1,885,935,251.27
  5. Step 5: Solve for x
    x = 1,885,935,251.27/60,292.55
  6. Step 6: Final answer
    x = 31,279.74

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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.