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Finding the Fourth Proportional to 75,871.02, 104,702.02 and 41,879.52

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Solution

The fourth proportional to 75,871.02, 104,702.02 and 41,879.52 is: 57,793.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,871.02 : 104,702.02 = 41,879.52 : x
  2. Step 2: Convert to fraction form
    75,871.02/104,702.02 = 41,879.52/x
  3. Step 3: Cross multiply
    75,871.02x = 104,702.02 × 41,879.52
  4. Step 4: Simplify right side
    75,871.02x = 4,384,870,088.69
  5. Step 5: Solve for x
    x = 4,384,870,088.69/75,871.02
  6. Step 6: Final answer
    x = 57,793.74

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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.