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Finding the Fourth Proportional to 60,244.85, 90,198.77 and 45,407.27

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Solution

The fourth proportional to 60,244.85, 90,198.77 and 45,407.27 is: 67,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,244.85 : 90,198.77 = 45,407.27 : x
  2. Step 2: Convert to fraction form
    60,244.85/90,198.77 = 45,407.27/x
  3. Step 3: Cross multiply
    60,244.85x = 90,198.77 × 45,407.27
  4. Step 4: Simplify right side
    60,244.85x = 4,095,679,394.15
  5. Step 5: Solve for x
    x = 4,095,679,394.15/60,244.85
  6. Step 6: Final answer
    x = 67,983.90

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1.5x scale

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.