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Finding the Fourth Proportional to 60,189.70, 90,235.30 and 22,728.52

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Solution

The fourth proportional to 60,189.70, 90,235.30 and 22,728.52 is: 34,074.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,189.70 : 90,235.30 = 22,728.52 : x
  2. Step 2: Convert to fraction form
    60,189.70/90,235.30 = 22,728.52/x
  3. Step 3: Cross multiply
    60,189.70x = 90,235.30 × 22,728.52
  4. Step 4: Simplify right side
    60,189.70x = 2,050,914,820.76
  5. Step 5: Solve for x
    x = 2,050,914,820.76/60,189.70
  6. Step 6: Final answer
    x = 34,074.18

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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.