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Finding the Fourth Proportional to 71,166.99, 106,668.30 and 26,765.40

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Solution

The fourth proportional to 71,166.99, 106,668.30 and 26,765.40 is: 40,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,166.99 : 106,668.30 = 26,765.40 : x
  2. Step 2: Convert to fraction form
    71,166.99/106,668.30 = 26,765.40/x
  3. Step 3: Cross multiply
    71,166.99x = 106,668.30 × 26,765.40
  4. Step 4: Simplify right side
    71,166.99x = 2,855,019,716.82
  5. Step 5: Solve for x
    x = 2,855,019,716.82/71,166.99
  6. Step 6: Final answer
    x = 40,117.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.