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Finding the Fourth Proportional to 107,039.53, 160,581.84 and 40,478.19

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Solution

The fourth proportional to 107,039.53, 160,581.84 and 40,478.19 is: 60,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,039.53 : 160,581.84 = 40,478.19 : x
  2. Step 2: Convert to fraction form
    107,039.53/160,581.84 = 40,478.19/x
  3. Step 3: Cross multiply
    107,039.53x = 160,581.84 × 40,478.19
  4. Step 4: Simplify right side
    107,039.53x = 6,500,062,230.07
  5. Step 5: Solve for x
    x = 6,500,062,230.07/107,039.53
  6. Step 6: Final answer
    x = 60,725.81

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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.