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Finding the Fourth Proportional to 167,756.84, 231,502.42 and 124,927.96

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Solution

The fourth proportional to 167,756.84, 231,502.42 and 124,927.96 is: 172,399.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,756.84 : 231,502.42 = 124,927.96 : x
  2. Step 2: Convert to fraction form
    167,756.84/231,502.42 = 124,927.96/x
  3. Step 3: Cross multiply
    167,756.84x = 231,502.42 × 124,927.96
  4. Step 4: Simplify right side
    167,756.84x = 28,921,125,065.66
  5. Step 5: Solve for x
    x = 28,921,125,065.66/167,756.84
  6. Step 6: Final answer
    x = 172,399.08

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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.