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Finding the Fourth Proportional to 234,479.60, 351,719.88 and 56,986.88

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Solution

The fourth proportional to 234,479.60, 351,719.88 and 56,986.88 is: 85,480.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,479.60 : 351,719.88 = 56,986.88 : x
  2. Step 2: Convert to fraction form
    234,479.60/351,719.88 = 56,986.88/x
  3. Step 3: Cross multiply
    234,479.60x = 351,719.88 × 56,986.88
  4. Step 4: Simplify right side
    234,479.60x = 20,043,418,595.17
  5. Step 5: Solve for x
    x = 20,043,418,595.17/234,479.60
  6. Step 6: Final answer
    x = 85,480.44

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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.