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Finding the Fourth Proportional to 220,593.62, 330,859.19 and 70,814.19

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Solution

The fourth proportional to 220,593.62, 330,859.19 and 70,814.19 is: 106,211.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,593.62 : 330,859.19 = 70,814.19 : x
  2. Step 2: Convert to fraction form
    220,593.62/330,859.19 = 70,814.19/x
  3. Step 3: Cross multiply
    220,593.62x = 330,859.19 × 70,814.19
  4. Step 4: Simplify right side
    220,593.62x = 23,429,525,543.91
  5. Step 5: Solve for x
    x = 23,429,525,543.91/220,593.62
  6. Step 6: Final answer
    x = 106,211.26

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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.