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Finding the Fourth Proportional to 80,036.99, 120,055.47 and 27,446.93

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Solution

The fourth proportional to 80,036.99, 120,055.47 and 27,446.93 is: 41,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,036.99 : 120,055.47 = 27,446.93 : x
  2. Step 2: Convert to fraction form
    80,036.99/120,055.47 = 27,446.93/x
  3. Step 3: Cross multiply
    80,036.99x = 120,055.47 × 27,446.93
  4. Step 4: Simplify right side
    80,036.99x = 3,295,154,081.21
  5. Step 5: Solve for x
    x = 3,295,154,081.21/80,036.99
  6. Step 6: Final answer
    x = 41,170.39

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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.