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Finding the Fourth Proportional to 114,239.70, 171,227.07 and 67,531.86

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Solution

The fourth proportional to 114,239.70, 171,227.07 and 67,531.86 is: 101,219.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,239.70 : 171,227.07 = 67,531.86 : x
  2. Step 2: Convert to fraction form
    114,239.70/171,227.07 = 67,531.86/x
  3. Step 3: Cross multiply
    114,239.70x = 171,227.07 × 67,531.86
  4. Step 4: Simplify right side
    114,239.70x = 11,563,282,519.45
  5. Step 5: Solve for x
    x = 11,563,282,519.45/114,239.70
  6. Step 6: Final answer
    x = 101,219.48

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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.