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Finding the Fourth Proportional to 234,875.88, 352,312.86 and 85,081.10

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Solution

The fourth proportional to 234,875.88, 352,312.86 and 85,081.10 is: 127,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,875.88 : 352,312.86 = 85,081.10 : x
  2. Step 2: Convert to fraction form
    234,875.88/352,312.86 = 85,081.10/x
  3. Step 3: Cross multiply
    234,875.88x = 352,312.86 × 85,081.10
  4. Step 4: Simplify right side
    234,875.88x = 29,975,165,672.95
  5. Step 5: Solve for x
    x = 29,975,165,672.95/234,875.88
  6. Step 6: Final answer
    x = 127,621.30

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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.