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Finding the Fourth Proportional to 88,676.92, 122,372.52 and 48,389.65

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Solution

The fourth proportional to 88,676.92, 122,372.52 and 48,389.65 is: 66,776.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,676.92 : 122,372.52 = 48,389.65 : x
  2. Step 2: Convert to fraction form
    88,676.92/122,372.52 = 48,389.65/x
  3. Step 3: Cross multiply
    88,676.92x = 122,372.52 × 48,389.65
  4. Step 4: Simplify right side
    88,676.92x = 5,921,563,412.42
  5. Step 5: Solve for x
    x = 5,921,563,412.42/88,676.92
  6. Step 6: Final answer
    x = 66,776.83

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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.