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Finding the Fourth Proportional to 136,277, 204,579.66 and 98,354.42

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Solution

The fourth proportional to 136,277, 204,579.66 and 98,354.42 is: 147,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,277 : 204,579.66 = 98,354.42 : x
  2. Step 2: Convert to fraction form
    136,277/204,579.66 = 98,354.42/x
  3. Step 3: Cross multiply
    136,277x = 204,579.66 × 98,354.42
  4. Step 4: Simplify right side
    136,277x = 20,121,313,803.10
  5. Step 5: Solve for x
    x = 20,121,313,803.10/136,277
  6. Step 6: Final answer
    x = 147,650.11

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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.