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Finding the Fourth Proportional to 224,729.70, 336,657.15 and 124,710.90

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Solution

The fourth proportional to 224,729.70, 336,657.15 and 124,710.90 is: 186,823.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,729.70 : 336,657.15 = 124,710.90 : x
  2. Step 2: Convert to fraction form
    224,729.70/336,657.15 = 124,710.90/x
  3. Step 3: Cross multiply
    224,729.70x = 336,657.15 × 124,710.90
  4. Step 4: Simplify right side
    224,729.70x = 41,984,816,167.94
  5. Step 5: Solve for x
    x = 41,984,816,167.94/224,729.70
  6. Step 6: Final answer
    x = 186,823.62

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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.