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Finding the Fourth Proportional to 110,502.77, 152,512.11 and 65,191.84

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Solution

The fourth proportional to 110,502.77, 152,512.11 and 65,191.84 is: 89,975.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,502.77 : 152,512.11 = 65,191.84 : x
  2. Step 2: Convert to fraction form
    110,502.77/152,512.11 = 65,191.84/x
  3. Step 3: Cross multiply
    110,502.77x = 152,512.11 × 65,191.84
  4. Step 4: Simplify right side
    110,502.77x = 9,942,545,073.18
  5. Step 5: Solve for x
    x = 9,942,545,073.18/110,502.77
  6. Step 6: Final answer
    x = 89,975.53

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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.