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Finding the Fourth Proportional to 234,691.65, 352,052.33 and 90,666.16

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Solution

The fourth proportional to 234,691.65, 352,052.33 and 90,666.16 is: 136,004.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,691.65 : 352,052.33 = 90,666.16 : x
  2. Step 2: Convert to fraction form
    234,691.65/352,052.33 = 90,666.16/x
  3. Step 3: Cross multiply
    234,691.65x = 352,052.33 × 90,666.16
  4. Step 4: Simplify right side
    234,691.65x = 31,919,232,880.15
  5. Step 5: Solve for x
    x = 31,919,232,880.15/234,691.65
  6. Step 6: Final answer
    x = 136,004.98

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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.