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Finding the Fourth Proportional to 264,175.62, 396,418.95 and 98,080.26

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Solution

The fourth proportional to 264,175.62, 396,418.95 and 98,080.26 is: 147,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,175.62 : 396,418.95 = 98,080.26 : x
  2. Step 2: Convert to fraction form
    264,175.62/396,418.95 = 98,080.26/x
  3. Step 3: Cross multiply
    264,175.62x = 396,418.95 × 98,080.26
  4. Step 4: Simplify right side
    264,175.62x = 38,880,873,684.93
  5. Step 5: Solve for x
    x = 38,880,873,684.93/264,175.62
  6. Step 6: Final answer
    x = 147,178.13

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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.