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Finding the Fourth Proportional to 88,502.79, 122,120.13 and 50,769.75

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Solution

The fourth proportional to 88,502.79, 122,120.13 and 50,769.75 is: 70,054.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,502.79 : 122,120.13 = 50,769.75 : x
  2. Step 2: Convert to fraction form
    88,502.79/122,120.13 = 50,769.75/x
  3. Step 3: Cross multiply
    88,502.79x = 122,120.13 × 50,769.75
  4. Step 4: Simplify right side
    88,502.79x = 6,200,008,470.07
  5. Step 5: Solve for x
    x = 6,200,008,470.07/88,502.79
  6. Step 6: Final answer
    x = 70,054.38

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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.