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Finding the Fourth Proportional to 244,988.70, 338,063.67 and 137,550.30

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Solution

The fourth proportional to 244,988.70, 338,063.67 and 137,550.30 is: 189,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,988.70 : 338,063.67 = 137,550.30 : x
  2. Step 2: Convert to fraction form
    244,988.70/338,063.67 = 137,550.30/x
  3. Step 3: Cross multiply
    244,988.70x = 338,063.67 × 137,550.30
  4. Step 4: Simplify right side
    244,988.70x = 46,500,759,227.60
  5. Step 5: Solve for x
    x = 46,500,759,227.60/244,988.70
  6. Step 6: Final answer
    x = 189,807.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.