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Finding the Fourth Proportional to 220,103.82, 303,063.17 and 171,900.46

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Solution

The fourth proportional to 220,103.82, 303,063.17 and 171,900.46 is: 236,691.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,103.82 : 303,063.17 = 171,900.46 : x
  2. Step 2: Convert to fraction form
    220,103.82/303,063.17 = 171,900.46/x
  3. Step 3: Cross multiply
    220,103.82x = 303,063.17 × 171,900.46
  4. Step 4: Simplify right side
    220,103.82x = 52,096,698,332.06
  5. Step 5: Solve for x
    x = 52,096,698,332.06/220,103.82
  6. Step 6: Final answer
    x = 236,691.48

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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.