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Finding the Fourth Proportional to 224,507.50, 336,394.95 and 104,434

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Solution

The fourth proportional to 224,507.50, 336,394.95 and 104,434 is: 156,480.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,507.50 : 336,394.95 = 104,434 : x
  2. Step 2: Convert to fraction form
    224,507.50/336,394.95 = 104,434/x
  3. Step 3: Cross multiply
    224,507.50x = 336,394.95 × 104,434
  4. Step 4: Simplify right side
    224,507.50x = 35,131,070,208.30
  5. Step 5: Solve for x
    x = 35,131,070,208.30/224,507.50
  6. Step 6: Final answer
    x = 156,480.61

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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.