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Finding the Fourth Proportional to 224,138.24, 336,256.56 and 66,379.04

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Solution

The fourth proportional to 224,138.24, 336,256.56 and 66,379.04 is: 99,583.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,138.24 : 336,256.56 = 66,379.04 : x
  2. Step 2: Convert to fraction form
    224,138.24/336,256.56 = 66,379.04/x
  3. Step 3: Cross multiply
    224,138.24x = 336,256.56 × 66,379.04
  4. Step 4: Simplify right side
    224,138.24x = 22,320,387,646.50
  5. Step 5: Solve for x
    x = 22,320,387,646.50/224,138.24
  6. Step 6: Final answer
    x = 99,583.13

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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.