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Finding the Fourth Proportional to 204,944.13, 307,444.95 and 71,793.90

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Solution

The fourth proportional to 204,944.13, 307,444.95 and 71,793.90 is: 107,700.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,944.13 : 307,444.95 = 71,793.90 : x
  2. Step 2: Convert to fraction form
    204,944.13/307,444.95 = 71,793.90/x
  3. Step 3: Cross multiply
    204,944.13x = 307,444.95 × 71,793.90
  4. Step 4: Simplify right side
    204,944.13x = 22,072,671,995.81
  5. Step 5: Solve for x
    x = 22,072,671,995.81/204,944.13
  6. Step 6: Final answer
    x = 107,700.92

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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.