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Finding the Fourth Proportional to 90,230.69, 124,474.52 and 59,615.80

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Solution

The fourth proportional to 90,230.69, 124,474.52 and 59,615.80 is: 82,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,230.69 : 124,474.52 = 59,615.80 : x
  2. Step 2: Convert to fraction form
    90,230.69/124,474.52 = 59,615.80/x
  3. Step 3: Cross multiply
    90,230.69x = 124,474.52 × 59,615.80
  4. Step 4: Simplify right side
    90,230.69x = 7,420,647,927.27
  5. Step 5: Solve for x
    x = 7,420,647,927.27/90,230.69
  6. Step 6: Final answer
    x = 82,240.84

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1.5x scale

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.