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Finding the Fourth Proportional to 150,400.51, 225,629.25 and 60,450.23

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Solution

The fourth proportional to 150,400.51, 225,629.25 and 60,450.23 is: 90,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,400.51 : 225,629.25 = 60,450.23 : x
  2. Step 2: Convert to fraction form
    150,400.51/225,629.25 = 60,450.23/x
  3. Step 3: Cross multiply
    150,400.51x = 225,629.25 × 60,450.23
  4. Step 4: Simplify right side
    150,400.51x = 13,639,340,394.61
  5. Step 5: Solve for x
    x = 13,639,340,394.61/150,400.51
  6. Step 6: Final answer
    x = 90,686.79

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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.