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Finding the Fourth Proportional to 244,135.80, 366,203.70 and 103,876.20

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Solution

The fourth proportional to 244,135.80, 366,203.70 and 103,876.20 is: 155,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,135.80 : 366,203.70 = 103,876.20 : x
  2. Step 2: Convert to fraction form
    244,135.80/366,203.70 = 103,876.20/x
  3. Step 3: Cross multiply
    244,135.80x = 366,203.70 × 103,876.20
  4. Step 4: Simplify right side
    244,135.80x = 38,039,848,781.94
  5. Step 5: Solve for x
    x = 38,039,848,781.94/244,135.80
  6. Step 6: Final answer
    x = 155,814.30

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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.