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Finding the Fourth Proportional to 74,100.70, 111,154.59 and 24,180.70

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Solution

The fourth proportional to 74,100.70, 111,154.59 and 24,180.70 is: 36,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,100.70 : 111,154.59 = 24,180.70 : x
  2. Step 2: Convert to fraction form
    74,100.70/111,154.59 = 24,180.70/x
  3. Step 3: Cross multiply
    74,100.70x = 111,154.59 × 24,180.70
  4. Step 4: Simplify right side
    74,100.70x = 2,687,795,794.41
  5. Step 5: Solve for x
    x = 2,687,795,794.41/74,100.70
  6. Step 6: Final answer
    x = 36,272.21

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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.