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Finding the Fourth Proportional to 80,215.58, 110,699.07 and 44,404.58

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Solution

The fourth proportional to 80,215.58, 110,699.07 and 44,404.58 is: 61,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,215.58 : 110,699.07 = 44,404.58 : x
  2. Step 2: Convert to fraction form
    80,215.58/110,699.07 = 44,404.58/x
  3. Step 3: Cross multiply
    80,215.58x = 110,699.07 × 44,404.58
  4. Step 4: Simplify right side
    80,215.58x = 4,915,545,709.74
  5. Step 5: Solve for x
    x = 4,915,545,709.74/80,215.58
  6. Step 6: Final answer
    x = 61,279.19

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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.