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Finding the Fourth Proportional to 171,528, 236,705.10 and 95,046.43

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Solution

The fourth proportional to 171,528, 236,705.10 and 95,046.43 is: 131,162.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,528 : 236,705.10 = 95,046.43 : x
  2. Step 2: Convert to fraction form
    171,528/236,705.10 = 95,046.43/x
  3. Step 3: Cross multiply
    171,528x = 236,705.10 × 95,046.43
  4. Step 4: Simplify right side
    171,528x = 22,497,974,717.79
  5. Step 5: Solve for x
    x = 22,497,974,717.79/171,528
  6. Step 6: Final answer
    x = 131,162.11

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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.