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Finding the Fourth Proportional to 91,777.50, 126,724.63 and 59,527.45

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Solution

The fourth proportional to 91,777.50, 126,724.63 and 59,527.45 is: 82,194.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,777.50 : 126,724.63 = 59,527.45 : x
  2. Step 2: Convert to fraction form
    91,777.50/126,724.63 = 59,527.45/x
  3. Step 3: Cross multiply
    91,777.50x = 126,724.63 × 59,527.45
  4. Step 4: Simplify right side
    91,777.50x = 7,543,593,610.46
  5. Step 5: Solve for x
    x = 7,543,593,610.46/91,777.50
  6. Step 6: Final answer
    x = 82,194.37

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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.