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Finding the Fourth Proportional to 234,508.79, 351,763.20 and 57,014.62

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Solution

The fourth proportional to 234,508.79, 351,763.20 and 57,014.62 is: 85,521.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,508.79 : 351,763.20 = 57,014.62 : x
  2. Step 2: Convert to fraction form
    234,508.79/351,763.20 = 57,014.62/x
  3. Step 3: Cross multiply
    234,508.79x = 351,763.20 × 57,014.62
  4. Step 4: Simplify right side
    234,508.79x = 20,055,644,298.58
  5. Step 5: Solve for x
    x = 20,055,644,298.58/234,508.79
  6. Step 6: Final answer
    x = 85,521.93

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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.