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Finding the Fourth Proportional to 110,369.67, 152,305.54 and 65,049.58

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Solution

The fourth proportional to 110,369.67, 152,305.54 and 65,049.58 is: 89,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,369.67 : 152,305.54 = 65,049.58 : x
  2. Step 2: Convert to fraction form
    110,369.67/152,305.54 = 65,049.58/x
  3. Step 3: Cross multiply
    110,369.67x = 152,305.54 × 65,049.58
  4. Step 4: Simplify right side
    110,369.67x = 9,907,411,408.67
  5. Step 5: Solve for x
    x = 9,907,411,408.67/110,369.67
  6. Step 6: Final answer
    x = 89,765.71

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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.