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Finding the Fourth Proportional to 91,800.63, 126,685.89 and 50,967.54

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Solution

The fourth proportional to 91,800.63, 126,685.89 and 50,967.54 is: 70,335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,800.63 : 126,685.89 = 50,967.54 : x
  2. Step 2: Convert to fraction form
    91,800.63/126,685.89 = 50,967.54/x
  3. Step 3: Cross multiply
    91,800.63x = 126,685.89 × 50,967.54
  4. Step 4: Simplify right side
    91,800.63x = 6,456,868,166.01
  5. Step 5: Solve for x
    x = 6,456,868,166.01/91,800.63
  6. Step 6: Final answer
    x = 70,335.77

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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.