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Finding the Fourth Proportional to 73,079.45, 100,858.15 and 60,793.15

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Solution

The fourth proportional to 73,079.45, 100,858.15 and 60,793.15 is: 83,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,079.45 : 100,858.15 = 60,793.15 : x
  2. Step 2: Convert to fraction form
    73,079.45/100,858.15 = 60,793.15/x
  3. Step 3: Cross multiply
    73,079.45x = 100,858.15 × 60,793.15
  4. Step 4: Simplify right side
    73,079.45x = 6,131,484,641.67
  5. Step 5: Solve for x
    x = 6,131,484,641.67/73,079.45
  6. Step 6: Final answer
    x = 83,901.63

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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.