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Finding the Fourth Proportional to 220,794.80, 331,235.40 and 94,434.80

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Solution

The fourth proportional to 220,794.80, 331,235.40 and 94,434.80 is: 141,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,794.80 : 331,235.40 = 94,434.80 : x
  2. Step 2: Convert to fraction form
    220,794.80/331,235.40 = 94,434.80/x
  3. Step 3: Cross multiply
    220,794.80x = 331,235.40 × 94,434.80
  4. Step 4: Simplify right side
    220,794.80x = 31,280,148,751.92
  5. Step 5: Solve for x
    x = 31,280,148,751.92/220,794.80
  6. Step 6: Final answer
    x = 141,670.68

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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.