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Finding the Fourth Proportional to 205,336.75, 308,128.01 and 88,600.75

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Solution

The fourth proportional to 205,336.75, 308,128.01 and 88,600.75 is: 132,954.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,336.75 : 308,128.01 = 88,600.75 : x
  2. Step 2: Convert to fraction form
    205,336.75/308,128.01 = 88,600.75/x
  3. Step 3: Cross multiply
    205,336.75x = 308,128.01 × 88,600.75
  4. Step 4: Simplify right side
    205,336.75x = 27,300,372,339.00
  5. Step 5: Solve for x
    x = 27,300,372,339.00/205,336.75
  6. Step 6: Final answer
    x = 132,954.15

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1.5x scale

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.