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Finding the Fourth Proportional to 155,331.80, 232,479.30 and 108,675.80

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Solution

The fourth proportional to 155,331.80, 232,479.30 and 108,675.80 is: 162,651.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,331.80 : 232,479.30 = 108,675.80 : x
  2. Step 2: Convert to fraction form
    155,331.80/232,479.30 = 108,675.80/x
  3. Step 3: Cross multiply
    155,331.80x = 232,479.30 × 108,675.80
  4. Step 4: Simplify right side
    155,331.80x = 25,264,873,910.94
  5. Step 5: Solve for x
    x = 25,264,873,910.94/155,331.80
  6. Step 6: Final answer
    x = 162,651.01

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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.