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Finding the Fourth Proportional to 220,169.58, 330,170.49 and 93,730.02

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Solution

The fourth proportional to 220,169.58, 330,170.49 and 93,730.02 is: 140,559.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,169.58 : 330,170.49 = 93,730.02 : x
  2. Step 2: Convert to fraction form
    220,169.58/330,170.49 = 93,730.02/x
  3. Step 3: Cross multiply
    220,169.58x = 330,170.49 × 93,730.02
  4. Step 4: Simplify right side
    220,169.58x = 30,946,886,631.11
  5. Step 5: Solve for x
    x = 30,946,886,631.11/220,169.58
  6. Step 6: Final answer
    x = 140,559.32

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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.