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Finding the Fourth Proportional to 224,503.26, 336,810.36 and 66,731.04

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Solution

The fourth proportional to 224,503.26, 336,810.36 and 66,731.04 is: 100,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,503.26 : 336,810.36 = 66,731.04 : x
  2. Step 2: Convert to fraction form
    224,503.26/336,810.36 = 66,731.04/x
  3. Step 3: Cross multiply
    224,503.26x = 336,810.36 × 66,731.04
  4. Step 4: Simplify right side
    224,503.26x = 22,475,705,605.57
  5. Step 5: Solve for x
    x = 22,475,705,605.57/224,503.26
  6. Step 6: Final answer
    x = 100,113.05

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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.