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Finding the Fourth Proportional to 234,568.34, 323,700.80 and 132,590.21

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Solution

The fourth proportional to 234,568.34, 323,700.80 and 132,590.21 is: 182,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,568.34 : 323,700.80 = 132,590.21 : x
  2. Step 2: Convert to fraction form
    234,568.34/323,700.80 = 132,590.21/x
  3. Step 3: Cross multiply
    234,568.34x = 323,700.80 × 132,590.21
  4. Step 4: Simplify right side
    234,568.34x = 42,919,554,767.71
  5. Step 5: Solve for x
    x = 42,919,554,767.71/234,568.34
  6. Step 6: Final answer
    x = 182,972.50

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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.