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Finding the Fourth Proportional to 60,169.95, 90,195.44 and 28,524.51

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Solution

The fourth proportional to 60,169.95, 90,195.44 and 28,524.51 is: 42,758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,169.95 : 90,195.44 = 28,524.51 : x
  2. Step 2: Convert to fraction form
    60,169.95/90,195.44 = 28,524.51/x
  3. Step 3: Cross multiply
    60,169.95x = 90,195.44 × 28,524.51
  4. Step 4: Simplify right side
    60,169.95x = 2,572,780,587.61
  5. Step 5: Solve for x
    x = 2,572,780,587.61/60,169.95
  6. Step 6: Final answer
    x = 42,758.56

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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.