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Finding the Fourth Proportional to 109,110.11, 150,570.50 and 61,363.45

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Solution

The fourth proportional to 109,110.11, 150,570.50 and 61,363.45 is: 84,680.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,110.11 : 150,570.50 = 61,363.45 : x
  2. Step 2: Convert to fraction form
    109,110.11/150,570.50 = 61,363.45/x
  3. Step 3: Cross multiply
    109,110.11x = 150,570.50 × 61,363.45
  4. Step 4: Simplify right side
    109,110.11x = 9,239,525,229.62
  5. Step 5: Solve for x
    x = 9,239,525,229.62/109,110.11
  6. Step 6: Final answer
    x = 84,680.75

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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.