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Finding the Fourth Proportional to 73,383.12, 101,269.20 and 39,849.12

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Solution

The fourth proportional to 73,383.12, 101,269.20 and 39,849.12 is: 54,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,383.12 : 101,269.20 = 39,849.12 : x
  2. Step 2: Convert to fraction form
    73,383.12/101,269.20 = 39,849.12/x
  3. Step 3: Cross multiply
    73,383.12x = 101,269.20 × 39,849.12
  4. Step 4: Simplify right side
    73,383.12x = 4,035,488,503.10
  5. Step 5: Solve for x
    x = 4,035,488,503.10/73,383.12
  6. Step 6: Final answer
    x = 54,992.05

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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.