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Finding the Fourth Proportional to 80,420.74, 110,971.67 and 44,601.77

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Solution

The fourth proportional to 80,420.74, 110,971.67 and 44,601.77 is: 61,545.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,420.74 : 110,971.67 = 44,601.77 : x
  2. Step 2: Convert to fraction form
    80,420.74/110,971.67 = 44,601.77/x
  3. Step 3: Cross multiply
    80,420.74x = 110,971.67 × 44,601.77
  4. Step 4: Simplify right side
    80,420.74x = 4,949,532,956.28
  5. Step 5: Solve for x
    x = 4,949,532,956.28/80,420.74
  6. Step 6: Final answer
    x = 61,545.48

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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.