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Finding the Fourth Proportional to 224,266.96, 336,343.12 and 66,458.56

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Solution

The fourth proportional to 224,266.96, 336,343.12 and 66,458.56 is: 99,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,266.96 : 336,343.12 = 66,458.56 : x
  2. Step 2: Convert to fraction form
    224,266.96/336,343.12 = 66,458.56/x
  3. Step 3: Cross multiply
    224,266.96x = 336,343.12 × 66,458.56
  4. Step 4: Simplify right side
    224,266.96x = 22,352,879,421.11
  5. Step 5: Solve for x
    x = 22,352,879,421.11/224,266.96
  6. Step 6: Final answer
    x = 99,670.85

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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.