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Finding the Fourth Proportional to 146,525.80, 219,788.70 and 123,716.20

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Solution

The fourth proportional to 146,525.80, 219,788.70 and 123,716.20 is: 185,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,525.80 : 219,788.70 = 123,716.20 : x
  2. Step 2: Convert to fraction form
    146,525.80/219,788.70 = 123,716.20/x
  3. Step 3: Cross multiply
    146,525.80x = 219,788.70 × 123,716.20
  4. Step 4: Simplify right side
    146,525.80x = 27,191,422,766.94
  5. Step 5: Solve for x
    x = 27,191,422,766.94/146,525.80
  6. Step 6: Final answer
    x = 185,574.30

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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.