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Finding the Fourth Proportional to 171,404.76, 236,552.22 and 126,288.84

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Solution

The fourth proportional to 171,404.76, 236,552.22 and 126,288.84 is: 174,288.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,404.76 : 236,552.22 = 126,288.84 : x
  2. Step 2: Convert to fraction form
    171,404.76/236,552.22 = 126,288.84/x
  3. Step 3: Cross multiply
    171,404.76x = 236,552.22 × 126,288.84
  4. Step 4: Simplify right side
    171,404.76x = 29,873,905,463.22
  5. Step 5: Solve for x
    x = 29,873,905,463.22/171,404.76
  6. Step 6: Final answer
    x = 174,288.66

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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.