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Finding the Fourth Proportional to 224,285.06, 336,492.52 and 66,517.31

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Solution

The fourth proportional to 224,285.06, 336,492.52 and 66,517.31 is: 99,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,285.06 : 336,492.52 = 66,517.31 : x
  2. Step 2: Convert to fraction form
    224,285.06/336,492.52 = 66,517.31/x
  3. Step 3: Cross multiply
    224,285.06x = 336,492.52 × 66,517.31
  4. Step 4: Simplify right side
    224,285.06x = 22,382,577,265.52
  5. Step 5: Solve for x
    x = 22,382,577,265.52/224,285.06
  6. Step 6: Final answer
    x = 99,795.22

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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.