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Finding the Fourth Proportional to 167,478, 231,130.44 and 95,881.20

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Solution

The fourth proportional to 167,478, 231,130.44 and 95,881.20 is: 132,322.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,478 : 231,130.44 = 95,881.20 : x
  2. Step 2: Convert to fraction form
    167,478/231,130.44 = 95,881.20/x
  3. Step 3: Cross multiply
    167,478x = 231,130.44 × 95,881.20
  4. Step 4: Simplify right side
    167,478x = 22,161,063,943.73
  5. Step 5: Solve for x
    x = 22,161,063,943.73/167,478
  6. Step 6: Final answer
    x = 132,322.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.