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Finding the Fourth Proportional to 80,651.76, 111,298.02 and 44,837.16

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Solution

The fourth proportional to 80,651.76, 111,298.02 and 44,837.16 is: 61,874.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,651.76 : 111,298.02 = 44,837.16 : x
  2. Step 2: Convert to fraction form
    80,651.76/111,298.02 = 44,837.16/x
  3. Step 3: Cross multiply
    80,651.76x = 111,298.02 × 44,837.16
  4. Step 4: Simplify right side
    80,651.76x = 4,990,287,130.42
  5. Step 5: Solve for x
    x = 4,990,287,130.42/80,651.76
  6. Step 6: Final answer
    x = 61,874.50

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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.