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Finding the Fourth Proportional to 79,595.15, 119,242.21 and 47,040.21

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Solution

The fourth proportional to 79,595.15, 119,242.21 and 47,040.21 is: 70,471.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,595.15 : 119,242.21 = 47,040.21 : x
  2. Step 2: Convert to fraction form
    79,595.15/119,242.21 = 47,040.21/x
  3. Step 3: Cross multiply
    79,595.15x = 119,242.21 × 47,040.21
  4. Step 4: Simplify right side
    79,595.15x = 5,609,177,767.85
  5. Step 5: Solve for x
    x = 5,609,177,767.85/79,595.15
  6. Step 6: Final answer
    x = 70,471.36

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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.