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Finding the Fourth Proportional to 265,168.26, 397,801.86 and 87,800.13

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Solution

The fourth proportional to 265,168.26, 397,801.86 and 87,800.13 is: 131,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,168.26 : 397,801.86 = 87,800.13 : x
  2. Step 2: Convert to fraction form
    265,168.26/397,801.86 = 87,800.13/x
  3. Step 3: Cross multiply
    265,168.26x = 397,801.86 × 87,800.13
  4. Step 4: Simplify right side
    265,168.26x = 34,927,055,022.24
  5. Step 5: Solve for x
    x = 34,927,055,022.24/265,168.26
  6. Step 6: Final answer
    x = 131,716.58

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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.