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Finding the Fourth Proportional to 79,482.20, 119,114.76 and 40,065.98

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Solution

The fourth proportional to 79,482.20, 119,114.76 and 40,065.98 is: 60,044.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,482.20 : 119,114.76 = 40,065.98 : x
  2. Step 2: Convert to fraction form
    79,482.20/119,114.76 = 40,065.98/x
  3. Step 3: Cross multiply
    79,482.20x = 119,114.76 × 40,065.98
  4. Step 4: Simplify right side
    79,482.20x = 4,772,449,591.86
  5. Step 5: Solve for x
    x = 4,772,449,591.86/79,482.20
  6. Step 6: Final answer
    x = 60,044.26

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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.