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Finding the Fourth Proportional to 175,717, 242,502.42 and 108,661.96

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Solution

The fourth proportional to 175,717, 242,502.42 and 108,661.96 is: 149,961.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,717 : 242,502.42 = 108,661.96 : x
  2. Step 2: Convert to fraction form
    175,717/242,502.42 = 108,661.96/x
  3. Step 3: Cross multiply
    175,717x = 242,502.42 × 108,661.96
  4. Step 4: Simplify right side
    175,717x = 26,350,788,261.94
  5. Step 5: Solve for x
    x = 26,350,788,261.94/175,717
  6. Step 6: Final answer
    x = 149,961.52

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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.