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Finding the Fourth Proportional to 75,279.66, 103,885.91 and 41,745.66

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Solution

The fourth proportional to 75,279.66, 103,885.91 and 41,745.66 is: 57,609.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,279.66 : 103,885.91 = 41,745.66 : x
  2. Step 2: Convert to fraction form
    75,279.66/103,885.91 = 41,745.66/x
  3. Step 3: Cross multiply
    75,279.66x = 103,885.91 × 41,745.66
  4. Step 4: Simplify right side
    75,279.66x = 4,336,785,877.65
  5. Step 5: Solve for x
    x = 4,336,785,877.65/75,279.66
  6. Step 6: Final answer
    x = 57,609.00

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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.