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Finding the Fourth Proportional to 80,648.65, 111,299.07 and 44,837.89

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Solution

The fourth proportional to 80,648.65, 111,299.07 and 44,837.89 is: 61,878.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,648.65 : 111,299.07 = 44,837.89 : x
  2. Step 2: Convert to fraction form
    80,648.65/111,299.07 = 44,837.89/x
  3. Step 3: Cross multiply
    80,648.65x = 111,299.07 × 44,837.89
  4. Step 4: Simplify right side
    80,648.65x = 4,990,415,457.76
  5. Step 5: Solve for x
    x = 4,990,415,457.76/80,648.65
  6. Step 6: Final answer
    x = 61,878.47

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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.