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Finding the Fourth Proportional to 62,401.80, 86,114.70 and 34,107.96

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Solution

The fourth proportional to 62,401.80, 86,114.70 and 34,107.96 is: 47,069.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,401.80 : 86,114.70 = 34,107.96 : x
  2. Step 2: Convert to fraction form
    62,401.80/86,114.70 = 34,107.96/x
  3. Step 3: Cross multiply
    62,401.80x = 86,114.70 × 34,107.96
  4. Step 4: Simplify right side
    62,401.80x = 2,937,196,743.01
  5. Step 5: Solve for x
    x = 2,937,196,743.01/62,401.80
  6. Step 6: Final answer
    x = 47,069.10

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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.