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Finding the Fourth Proportional to 80,085.71, 110,512.86 and 44,270.89

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Solution

The fourth proportional to 80,085.71, 110,512.86 and 44,270.89 is: 61,090.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,085.71 : 110,512.86 = 44,270.89 : x
  2. Step 2: Convert to fraction form
    80,085.71/110,512.86 = 44,270.89/x
  3. Step 3: Cross multiply
    80,085.71x = 110,512.86 × 44,270.89
  4. Step 4: Simplify right side
    80,085.71x = 4,892,502,668.65
  5. Step 5: Solve for x
    x = 4,892,502,668.65/80,085.71
  6. Step 6: Final answer
    x = 61,090.83

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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.