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Finding the Fourth Proportional to 67,119.84, 100,616.85 and 22,715.51

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Solution

The fourth proportional to 67,119.84, 100,616.85 and 22,715.51 is: 34,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,119.84 : 100,616.85 = 22,715.51 : x
  2. Step 2: Convert to fraction form
    67,119.84/100,616.85 = 22,715.51/x
  3. Step 3: Cross multiply
    67,119.84x = 100,616.85 × 22,715.51
  4. Step 4: Simplify right side
    67,119.84x = 2,285,562,559.26
  5. Step 5: Solve for x
    x = 2,285,562,559.26/67,119.84
  6. Step 6: Final answer
    x = 34,051.97

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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.