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Finding the Fourth Proportional to 234,031.80, 351,084.12 and 76,223.52

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Solution

The fourth proportional to 234,031.80, 351,084.12 and 76,223.52 is: 114,347.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,031.80 : 351,084.12 = 76,223.52 : x
  2. Step 2: Convert to fraction form
    234,031.80/351,084.12 = 76,223.52/x
  3. Step 3: Cross multiply
    234,031.80x = 351,084.12 × 76,223.52
  4. Step 4: Simplify right side
    234,031.80x = 26,760,867,442.50
  5. Step 5: Solve for x
    x = 26,760,867,442.50/234,031.80
  6. Step 6: Final answer
    x = 114,347.14

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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.