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Finding the Fourth Proportional to 234,744.10, 352,116.15 and 85,056.10

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Solution

The fourth proportional to 234,744.10, 352,116.15 and 85,056.10 is: 127,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,744.10 : 352,116.15 = 85,056.10 : x
  2. Step 2: Convert to fraction form
    234,744.10/352,116.15 = 85,056.10/x
  3. Step 3: Cross multiply
    234,744.10x = 352,116.15 × 85,056.10
  4. Step 4: Simplify right side
    234,744.10x = 29,949,626,466.02
  5. Step 5: Solve for x
    x = 29,949,626,466.02/234,744.10
  6. Step 6: Final answer
    x = 127,584.15

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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.