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Finding the Fourth Proportional to 98,767.80, 148,198.86 and 46,169.64

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Solution

The fourth proportional to 98,767.80, 148,198.86 and 46,169.64 is: 69,276.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,767.80 : 148,198.86 = 46,169.64 : x
  2. Step 2: Convert to fraction form
    98,767.80/148,198.86 = 46,169.64/x
  3. Step 3: Cross multiply
    98,767.80x = 148,198.86 × 46,169.64
  4. Step 4: Simplify right side
    98,767.80x = 6,842,288,014.61
  5. Step 5: Solve for x
    x = 6,842,288,014.61/98,767.80
  6. Step 6: Final answer
    x = 69,276.51

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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.