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Finding the Fourth Proportional to 71,793.96, 99,068.51 and 41,588.99

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Solution

The fourth proportional to 71,793.96, 99,068.51 and 41,588.99 is: 57,388.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,793.96 : 99,068.51 = 41,588.99 : x
  2. Step 2: Convert to fraction form
    71,793.96/99,068.51 = 41,588.99/x
  3. Step 3: Cross multiply
    71,793.96x = 99,068.51 × 41,588.99
  4. Step 4: Simplify right side
    71,793.96x = 4,120,159,271.70
  5. Step 5: Solve for x
    x = 4,120,159,271.70/71,793.96
  6. Step 6: Final answer
    x = 57,388.66

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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.