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Finding the Fourth Proportional to 98,794.55, 148,198.76 and 39,630.23

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Solution

The fourth proportional to 98,794.55, 148,198.76 and 39,630.23 is: 59,448.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,794.55 : 148,198.76 = 39,630.23 : x
  2. Step 2: Convert to fraction form
    98,794.55/148,198.76 = 39,630.23/x
  3. Step 3: Cross multiply
    98,794.55x = 148,198.76 × 39,630.23
  4. Step 4: Simplify right side
    98,794.55x = 5,873,150,932.65
  5. Step 5: Solve for x
    x = 5,873,150,932.65/98,794.55
  6. Step 6: Final answer
    x = 59,448.13

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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.