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Finding the Fourth Proportional to 115,383.76, 173,103.54 and 43,337.30

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Solution

The fourth proportional to 115,383.76, 173,103.54 and 43,337.30 is: 65,016.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,383.76 : 173,103.54 = 43,337.30 : x
  2. Step 2: Convert to fraction form
    115,383.76/173,103.54 = 43,337.30/x
  3. Step 3: Cross multiply
    115,383.76x = 173,103.54 × 43,337.30
  4. Step 4: Simplify right side
    115,383.76x = 7,501,840,044.04
  5. Step 5: Solve for x
    x = 7,501,840,044.04/115,383.76
  6. Step 6: Final answer
    x = 65,016.43

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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.