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Finding the Fourth Proportional to 313,373.16, 469,879.47 and 167,132.69

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Solution

The fourth proportional to 313,373.16, 469,879.47 and 167,132.69 is: 250,602.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,373.16 : 469,879.47 = 167,132.69 : x
  2. Step 2: Convert to fraction form
    313,373.16/469,879.47 = 167,132.69/x
  3. Step 3: Cross multiply
    313,373.16x = 469,879.47 × 167,132.69
  4. Step 4: Simplify right side
    313,373.16x = 78,532,217,447.48
  5. Step 5: Solve for x
    x = 78,532,217,447.48/313,373.16
  6. Step 6: Final answer
    x = 250,602.88

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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.