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Finding the Fourth Proportional to 265,026.99, 397,456.25 and 87,500.91

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Solution

The fourth proportional to 265,026.99, 397,456.25 and 87,500.91 is: 131,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,026.99 : 397,456.25 = 87,500.91 : x
  2. Step 2: Convert to fraction form
    265,026.99/397,456.25 = 87,500.91/x
  3. Step 3: Cross multiply
    265,026.99x = 397,456.25 × 87,500.91
  4. Step 4: Simplify right side
    265,026.99x = 34,777,783,122.68
  5. Step 5: Solve for x
    x = 34,777,783,122.68/265,026.99
  6. Step 6: Final answer
    x = 131,223.55

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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.