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Finding the Fourth Proportional to 79,437.70, 119,095.80 and 40,023.10

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Solution

The fourth proportional to 79,437.70, 119,095.80 and 40,023.10 is: 60,004.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,437.70 : 119,095.80 = 40,023.10 : x
  2. Step 2: Convert to fraction form
    79,437.70/119,095.80 = 40,023.10/x
  3. Step 3: Cross multiply
    79,437.70x = 119,095.80 × 40,023.10
  4. Step 4: Simplify right side
    79,437.70x = 4,766,583,112.98
  5. Step 5: Solve for x
    x = 4,766,583,112.98/79,437.70
  6. Step 6: Final answer
    x = 60,004.04

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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.