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Finding the Fourth Proportional to 220,465.67, 330,700.32 and 70,706.18

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Solution

The fourth proportional to 220,465.67, 330,700.32 and 70,706.18 is: 106,059.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,465.67 : 330,700.32 = 70,706.18 : x
  2. Step 2: Convert to fraction form
    220,465.67/330,700.32 = 70,706.18/x
  3. Step 3: Cross multiply
    220,465.67x = 330,700.32 × 70,706.18
  4. Step 4: Simplify right side
    220,465.67x = 23,382,557,178.73
  5. Step 5: Solve for x
    x = 23,382,557,178.73/220,465.67
  6. Step 6: Final answer
    x = 106,059.86

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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.