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Finding the Fourth Proportional to 134,291.52, 201,441.78 and 40,797

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Solution

The fourth proportional to 134,291.52, 201,441.78 and 40,797 is: 61,196.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,291.52 : 201,441.78 = 40,797 : x
  2. Step 2: Convert to fraction form
    134,291.52/201,441.78 = 40,797/x
  3. Step 3: Cross multiply
    134,291.52x = 201,441.78 × 40,797
  4. Step 4: Simplify right side
    134,291.52x = 8,218,220,298.66
  5. Step 5: Solve for x
    x = 8,218,220,298.66/134,291.52
  6. Step 6: Final answer
    x = 61,196.87

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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.