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Finding the Fourth Proportional to 104,591.79, 157,017.69 and 104,112.27

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Solution

The fourth proportional to 104,591.79, 157,017.69 and 104,112.27 is: 156,297.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,591.79 : 157,017.69 = 104,112.27 : x
  2. Step 2: Convert to fraction form
    104,591.79/157,017.69 = 104,112.27/x
  3. Step 3: Cross multiply
    104,591.79x = 157,017.69 × 104,112.27
  4. Step 4: Simplify right side
    104,591.79x = 16,347,468,136.06
  5. Step 5: Solve for x
    x = 16,347,468,136.06/104,591.79
  6. Step 6: Final answer
    x = 156,297.81

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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.