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Finding the Fourth Proportional to 220,116.70, 330,175.05 and 53,904.70

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Solution

The fourth proportional to 220,116.70, 330,175.05 and 53,904.70 is: 80,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,116.70 : 330,175.05 = 53,904.70 : x
  2. Step 2: Convert to fraction form
    220,116.70/330,175.05 = 53,904.70/x
  3. Step 3: Cross multiply
    220,116.70x = 330,175.05 × 53,904.70
  4. Step 4: Simplify right side
    220,116.70x = 17,797,987,017.74
  5. Step 5: Solve for x
    x = 17,797,987,017.74/220,116.70
  6. Step 6: Final answer
    x = 80,857.05

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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.