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Finding the Fourth Proportional to 126,767.88, 174,939.08 and 68,624.46

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Solution

The fourth proportional to 126,767.88, 174,939.08 and 68,624.46 is: 94,701.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,767.88 : 174,939.08 = 68,624.46 : x
  2. Step 2: Convert to fraction form
    126,767.88/174,939.08 = 68,624.46/x
  3. Step 3: Cross multiply
    126,767.88x = 174,939.08 × 68,624.46
  4. Step 4: Simplify right side
    126,767.88x = 12,005,099,554.77
  5. Step 5: Solve for x
    x = 12,005,099,554.77/126,767.88
  6. Step 6: Final answer
    x = 94,701.43

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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.