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Finding the Fourth Proportional to 80,508.99, 111,101.99 and 44,211.14

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Solution

The fourth proportional to 80,508.99, 111,101.99 and 44,211.14 is: 61,011.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,508.99 : 111,101.99 = 44,211.14 : x
  2. Step 2: Convert to fraction form
    80,508.99/111,101.99 = 44,211.14/x
  3. Step 3: Cross multiply
    80,508.99x = 111,101.99 × 44,211.14
  4. Step 4: Simplify right side
    80,508.99x = 4,911,944,857.60
  5. Step 5: Solve for x
    x = 4,911,944,857.60/80,508.99
  6. Step 6: Final answer
    x = 61,011.13

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1.5x scale

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.