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Finding the Fourth Proportional to 265,166.93, 397,799.88 and 87,798.80

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Solution

The fourth proportional to 265,166.93, 397,799.88 and 87,798.80 is: 131,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,166.93 : 397,799.88 = 87,798.80 : x
  2. Step 2: Convert to fraction form
    265,166.93/397,799.88 = 87,798.80/x
  3. Step 3: Cross multiply
    265,166.93x = 397,799.88 × 87,798.80
  4. Step 4: Simplify right side
    265,166.93x = 34,926,352,769.40
  5. Step 5: Solve for x
    x = 34,926,352,769.40/265,166.93
  6. Step 6: Final answer
    x = 131,714.59

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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.