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Finding the Fourth Proportional to 97,268.40, 134,231.40 and 54,826.92

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Solution

The fourth proportional to 97,268.40, 134,231.40 and 54,826.92 is: 75,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,268.40 : 134,231.40 = 54,826.92 : x
  2. Step 2: Convert to fraction form
    97,268.40/134,231.40 = 54,826.92/x
  3. Step 3: Cross multiply
    97,268.40x = 134,231.40 × 54,826.92
  4. Step 4: Simplify right side
    97,268.40x = 7,359,494,229.29
  5. Step 5: Solve for x
    x = 7,359,494,229.29/97,268.40
  6. Step 6: Final answer
    x = 75,661.72

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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.