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Finding the Fourth Proportional to 71,053.70, 98,050.77 and 40,817.75

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Solution

The fourth proportional to 71,053.70, 98,050.77 and 40,817.75 is: 56,326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,053.70 : 98,050.77 = 40,817.75 : x
  2. Step 2: Convert to fraction form
    71,053.70/98,050.77 = 40,817.75/x
  3. Step 3: Cross multiply
    71,053.70x = 98,050.77 × 40,817.75
  4. Step 4: Simplify right side
    71,053.70x = 4,002,211,326.91
  5. Step 5: Solve for x
    x = 4,002,211,326.91/71,053.70
  6. Step 6: Final answer
    x = 56,326.58

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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.