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Finding the Fourth Proportional to 71,808.30, 99,095.40 and 41,595.30

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Solution

The fourth proportional to 71,808.30, 99,095.40 and 41,595.30 is: 57,401.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,808.30 : 99,095.40 = 41,595.30 : x
  2. Step 2: Convert to fraction form
    71,808.30/99,095.40 = 41,595.30/x
  3. Step 3: Cross multiply
    71,808.30x = 99,095.40 × 41,595.30
  4. Step 4: Simplify right side
    71,808.30x = 4,121,902,891.62
  5. Step 5: Solve for x
    x = 4,121,902,891.62/71,808.30
  6. Step 6: Final answer
    x = 57,401.48

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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.