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Finding the Fourth Proportional to 88,502.80, 122,120.14 and 50,769.76

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Solution

The fourth proportional to 88,502.80, 122,120.14 and 50,769.76 is: 70,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,502.80 : 122,120.14 = 50,769.76 : x
  2. Step 2: Convert to fraction form
    88,502.80/122,120.14 = 50,769.76/x
  3. Step 3: Cross multiply
    88,502.80x = 122,120.14 × 50,769.76
  4. Step 4: Simplify right side
    88,502.80x = 6,200,010,198.97
  5. Step 5: Solve for x
    x = 6,200,010,198.97/88,502.80
  6. Step 6: Final answer
    x = 70,054.40

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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.