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Finding the Fourth Proportional to 80,071.99, 120,032.25 and 35,674.27

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Solution

The fourth proportional to 80,071.99, 120,032.25 and 35,674.27 is: 53,477.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,071.99 : 120,032.25 = 35,674.27 : x
  2. Step 2: Convert to fraction form
    80,071.99/120,032.25 = 35,674.27/x
  3. Step 3: Cross multiply
    80,071.99x = 120,032.25 × 35,674.27
  4. Step 4: Simplify right side
    80,071.99x = 4,282,062,895.21
  5. Step 5: Solve for x
    x = 4,282,062,895.21/80,071.99
  6. Step 6: Final answer
    x = 53,477.66

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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.