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Finding the Fourth Proportional to 220,118.58, 330,175.71 and 70,357.14

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Solution

The fourth proportional to 220,118.58, 330,175.71 and 70,357.14 is: 105,535.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,118.58 : 330,175.71 = 70,357.14 : x
  2. Step 2: Convert to fraction form
    220,118.58/330,175.71 = 70,357.14/x
  3. Step 3: Cross multiply
    220,118.58x = 330,175.71 × 70,357.14
  4. Step 4: Simplify right side
    220,118.58x = 23,230,218,653.07
  5. Step 5: Solve for x
    x = 23,230,218,653.07/220,118.58
  6. Step 6: Final answer
    x = 105,535.02

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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.