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Finding the Fourth Proportional to 248,833.20, 373,249.80 and 170,101.20

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Solution

The fourth proportional to 248,833.20, 373,249.80 and 170,101.20 is: 255,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,833.20 : 373,249.80 = 170,101.20 : x
  2. Step 2: Convert to fraction form
    248,833.20/373,249.80 = 170,101.20/x
  3. Step 3: Cross multiply
    248,833.20x = 373,249.80 × 170,101.20
  4. Step 4: Simplify right side
    248,833.20x = 63,490,238,879.76
  5. Step 5: Solve for x
    x = 63,490,238,879.76/248,833.20
  6. Step 6: Final answer
    x = 255,151.80

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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.