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Finding the Fourth Proportional to 150,682.92, 225,907.72 and 87,405.72

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Solution

The fourth proportional to 150,682.92, 225,907.72 and 87,405.72 is: 131,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,682.92 : 225,907.72 = 87,405.72 : x
  2. Step 2: Convert to fraction form
    150,682.92/225,907.72 = 87,405.72/x
  3. Step 3: Cross multiply
    150,682.92x = 225,907.72 × 87,405.72
  4. Step 4: Simplify right side
    150,682.92x = 19,745,626,920.16
  5. Step 5: Solve for x
    x = 19,745,626,920.16/150,682.92
  6. Step 6: Final answer
    x = 131,040.91

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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.