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Finding the Fourth Proportional to 107,648.73, 161,484.11 and 41,144.84

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Solution

The fourth proportional to 107,648.73, 161,484.11 and 41,144.84 is: 61,721.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,648.73 : 161,484.11 = 41,144.84 : x
  2. Step 2: Convert to fraction form
    107,648.73/161,484.11 = 41,144.84/x
  3. Step 3: Cross multiply
    107,648.73x = 161,484.11 × 41,144.84
  4. Step 4: Simplify right side
    107,648.73x = 6,644,236,855.35
  5. Step 5: Solve for x
    x = 6,644,236,855.35/107,648.73
  6. Step 6: Final answer
    x = 61,721.46

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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.