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Finding the Fourth Proportional to 224,074.32, 336,144.24 and 81,926.52

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Solution

The fourth proportional to 224,074.32, 336,144.24 and 81,926.52 is: 122,901.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,074.32 : 336,144.24 = 81,926.52 : x
  2. Step 2: Convert to fraction form
    224,074.32/336,144.24 = 81,926.52/x
  3. Step 3: Cross multiply
    224,074.32x = 336,144.24 × 81,926.52
  4. Step 4: Simplify right side
    224,074.32x = 27,539,127,801.24
  5. Step 5: Solve for x
    x = 27,539,127,801.24/224,074.32
  6. Step 6: Final answer
    x = 122,901.76

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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.