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Finding the Fourth Proportional to 147,170.52, 203,089.68 and 83,504.52

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Solution

The fourth proportional to 147,170.52, 203,089.68 and 83,504.52 is: 115,233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,170.52 : 203,089.68 = 83,504.52 : x
  2. Step 2: Convert to fraction form
    147,170.52/203,089.68 = 83,504.52/x
  3. Step 3: Cross multiply
    147,170.52x = 203,089.68 × 83,504.52
  4. Step 4: Simplify right side
    147,170.52x = 16,958,906,245.35
  5. Step 5: Solve for x
    x = 16,958,906,245.35/147,170.52
  6. Step 6: Final answer
    x = 115,233.04

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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.