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Finding the Fourth Proportional to 80,419.61, 110,970.11 and 44,600.65

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Solution

The fourth proportional to 80,419.61, 110,970.11 and 44,600.65 is: 61,543.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,419.61 : 110,970.11 = 44,600.65 : x
  2. Step 2: Convert to fraction form
    80,419.61/110,970.11 = 44,600.65/x
  3. Step 3: Cross multiply
    80,419.61x = 110,970.11 × 44,600.65
  4. Step 4: Simplify right side
    80,419.61x = 4,949,338,870.65
  5. Step 5: Solve for x
    x = 4,949,338,870.65/80,419.61
  6. Step 6: Final answer
    x = 61,543.93

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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.