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Finding the Fourth Proportional to 197,253.40, 295,539.90 and 91,856.20

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Solution

The fourth proportional to 197,253.40, 295,539.90 and 91,856.20 is: 137,625.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,253.40 : 295,539.90 = 91,856.20 : x
  2. Step 2: Convert to fraction form
    197,253.40/295,539.90 = 91,856.20/x
  3. Step 3: Cross multiply
    197,253.40x = 295,539.90 × 91,856.20
  4. Step 4: Simplify right side
    197,253.40x = 27,147,172,162.38
  5. Step 5: Solve for x
    x = 27,147,172,162.38/197,253.40
  6. Step 6: Final answer
    x = 137,625.88

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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.