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Finding the Fourth Proportional to 147,951.50, 204,173.80 and 80,883.50

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Solution

The fourth proportional to 147,951.50, 204,173.80 and 80,883.50 is: 111,619.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,951.50 : 204,173.80 = 80,883.50 : x
  2. Step 2: Convert to fraction form
    147,951.50/204,173.80 = 80,883.50/x
  3. Step 3: Cross multiply
    147,951.50x = 204,173.80 × 80,883.50
  4. Step 4: Simplify right side
    147,951.50x = 16,514,291,552.30
  5. Step 5: Solve for x
    x = 16,514,291,552.30/147,951.50
  6. Step 6: Final answer
    x = 111,619.63

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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.