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Finding the Fourth Proportional to 73,080.45, 100,859.53 and 60,794.15

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Solution

The fourth proportional to 73,080.45, 100,859.53 and 60,794.15 is: 83,903.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,080.45 : 100,859.53 = 60,794.15 : x
  2. Step 2: Convert to fraction form
    73,080.45/100,859.53 = 60,794.15/x
  3. Step 3: Cross multiply
    73,080.45x = 100,859.53 × 60,794.15
  4. Step 4: Simplify right side
    73,080.45x = 6,131,669,395.75
  5. Step 5: Solve for x
    x = 6,131,669,395.75/73,080.45
  6. Step 6: Final answer
    x = 83,903.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.