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Finding the Fourth Proportional to 265,166.75, 397,799.60 and 87,798.62

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Solution

The fourth proportional to 265,166.75, 397,799.60 and 87,798.62 is: 131,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,166.75 : 397,799.60 = 87,798.62 : x
  2. Step 2: Convert to fraction form
    265,166.75/397,799.60 = 87,798.62/x
  3. Step 3: Cross multiply
    265,166.75x = 397,799.60 × 87,798.62
  4. Step 4: Simplify right side
    265,166.75x = 34,926,253,488.56
  5. Step 5: Solve for x
    x = 34,926,253,488.56/265,166.75
  6. Step 6: Final answer
    x = 131,714.30

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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.