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Finding the Fourth Proportional to 107,039.80, 160,521.90 and 36,902.80

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Solution

The fourth proportional to 107,039.80, 160,521.90 and 36,902.80 is: 55,341.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,039.80 : 160,521.90 = 36,902.80 : x
  2. Step 2: Convert to fraction form
    107,039.80/160,521.90 = 36,902.80/x
  3. Step 3: Cross multiply
    107,039.80x = 160,521.90 × 36,902.80
  4. Step 4: Simplify right side
    107,039.80x = 5,923,707,571.32
  5. Step 5: Solve for x
    x = 5,923,707,571.32/107,039.80
  6. Step 6: Final answer
    x = 55,341.17

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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.