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Finding the Fourth Proportional to 67,677.75, 101,516.16 and 52,899.12

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Solution

The fourth proportional to 67,677.75, 101,516.16 and 52,899.12 is: 79,348.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,677.75 : 101,516.16 = 52,899.12 : x
  2. Step 2: Convert to fraction form
    67,677.75/101,516.16 = 52,899.12/x
  3. Step 3: Cross multiply
    67,677.75x = 101,516.16 × 52,899.12
  4. Step 4: Simplify right side
    67,677.75x = 5,370,115,529.78
  5. Step 5: Solve for x
    x = 5,370,115,529.78/67,677.75
  6. Step 6: Final answer
    x = 79,348.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.