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Finding the Fourth Proportional to 88,714.68, 133,098 and 33,315

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Solution

The fourth proportional to 88,714.68, 133,098 and 33,315 is: 49,982.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,714.68 : 133,098 = 33,315 : x
  2. Step 2: Convert to fraction form
    88,714.68/133,098 = 33,315/x
  3. Step 3: Cross multiply
    88,714.68x = 133,098 × 33,315
  4. Step 4: Simplify right side
    88,714.68x = 4,434,159,870
  5. Step 5: Solve for x
    x = 4,434,159,870/88,714.68
  6. Step 6: Final answer
    x = 49,982.26

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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.