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Finding the Fourth Proportional to 80,081.58, 120,133.41 and 27,484.23

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Solution

The fourth proportional to 80,081.58, 120,133.41 and 27,484.23 is: 41,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,081.58 : 120,133.41 = 27,484.23 : x
  2. Step 2: Convert to fraction form
    80,081.58/120,133.41 = 27,484.23/x
  3. Step 3: Cross multiply
    80,081.58x = 120,133.41 × 27,484.23
  4. Step 4: Simplify right side
    80,081.58x = 3,301,774,271.12
  5. Step 5: Solve for x
    x = 3,301,774,271.12/80,081.58
  6. Step 6: Final answer
    x = 41,230.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.