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Finding the Fourth Proportional to 224,338.30, 336,509.56 and 66,566.78

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Solution

The fourth proportional to 224,338.30, 336,509.56 and 66,566.78 is: 99,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,338.30 : 336,509.56 = 66,566.78 : x
  2. Step 2: Convert to fraction form
    224,338.30/336,509.56 = 66,566.78/x
  3. Step 3: Cross multiply
    224,338.30x = 336,509.56 × 66,566.78
  4. Step 4: Simplify right side
    224,338.30x = 22,400,357,848.42
  5. Step 5: Solve for x
    x = 22,400,357,848.42/224,338.30
  6. Step 6: Final answer
    x = 99,850.80

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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.