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Finding the Fourth Proportional to 362,359.75, 543,636.03 and 125,702.05

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Solution

The fourth proportional to 362,359.75, 543,636.03 and 125,702.05 is: 188,586.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,359.75 : 543,636.03 = 125,702.05 : x
  2. Step 2: Convert to fraction form
    362,359.75/543,636.03 = 125,702.05/x
  3. Step 3: Cross multiply
    362,359.75x = 543,636.03 × 125,702.05
  4. Step 4: Simplify right side
    362,359.75x = 68,336,163,424.86
  5. Step 5: Solve for x
    x = 68,336,163,424.86/362,359.75
  6. Step 6: Final answer
    x = 188,586.52

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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.