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Finding the Fourth Proportional to 80,055.40, 120,085.53 and 27,464.14

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Solution

The fourth proportional to 80,055.40, 120,085.53 and 27,464.14 is: 41,197.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,055.40 : 120,085.53 = 27,464.14 : x
  2. Step 2: Convert to fraction form
    80,055.40/120,085.53 = 27,464.14/x
  3. Step 3: Cross multiply
    80,055.40x = 120,085.53 × 27,464.14
  4. Step 4: Simplify right side
    80,055.40x = 3,298,045,807.89
  5. Step 5: Solve for x
    x = 3,298,045,807.89/80,055.40
  6. Step 6: Final answer
    x = 41,197.04

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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.