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Finding the Fourth Proportional to 234,281.78, 351,422.71 and 84,522.02

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Solution

The fourth proportional to 234,281.78, 351,422.71 and 84,522.02 is: 126,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,281.78 : 351,422.71 = 84,522.02 : x
  2. Step 2: Convert to fraction form
    234,281.78/351,422.71 = 84,522.02/x
  3. Step 3: Cross multiply
    234,281.78x = 351,422.71 × 84,522.02
  4. Step 4: Simplify right side
    234,281.78x = 29,702,955,143.35
  5. Step 5: Solve for x
    x = 29,702,955,143.35/234,281.78
  6. Step 6: Final answer
    x = 126,783.04

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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.