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Finding the Fourth Proportional to 224,580.60, 336,876.30 and 66,814.20

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Solution

The fourth proportional to 224,580.60, 336,876.30 and 66,814.20 is: 100,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,580.60 : 336,876.30 = 66,814.20 : x
  2. Step 2: Convert to fraction form
    224,580.60/336,876.30 = 66,814.20/x
  3. Step 3: Cross multiply
    224,580.60x = 336,876.30 × 66,814.20
  4. Step 4: Simplify right side
    224,580.60x = 22,508,120,483.46
  5. Step 5: Solve for x
    x = 22,508,120,483.46/224,580.60
  6. Step 6: Final answer
    x = 100,222.91

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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.