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Finding the Fourth Proportional to 74,175.28, 110,601.29 and 65,932.72

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Solution

The fourth proportional to 74,175.28, 110,601.29 and 65,932.72 is: 98,310.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,175.28 : 110,601.29 = 65,932.72 : x
  2. Step 2: Convert to fraction form
    74,175.28/110,601.29 = 65,932.72/x
  3. Step 3: Cross multiply
    74,175.28x = 110,601.29 × 65,932.72
  4. Step 4: Simplify right side
    74,175.28x = 7,292,243,885.21
  5. Step 5: Solve for x
    x = 7,292,243,885.21/74,175.28
  6. Step 6: Final answer
    x = 98,310.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.