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Finding the Fourth Proportional to 259,990.02, 358,763.96 and 149,612.24

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Solution

The fourth proportional to 259,990.02, 358,763.96 and 149,612.24 is: 206,452.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,990.02 : 358,763.96 = 149,612.24 : x
  2. Step 2: Convert to fraction form
    259,990.02/358,763.96 = 149,612.24/x
  3. Step 3: Cross multiply
    259,990.02x = 358,763.96 × 149,612.24
  4. Step 4: Simplify right side
    259,990.02x = 53,675,479,686.87
  5. Step 5: Solve for x
    x = 53,675,479,686.87/259,990.02
  6. Step 6: Final answer
    x = 206,452.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.