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Finding the Fourth Proportional to 175,245.78, 262,859.22 and 100,319.16

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Solution

The fourth proportional to 175,245.78, 262,859.22 and 100,319.16 is: 150,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,245.78 : 262,859.22 = 100,319.16 : x
  2. Step 2: Convert to fraction form
    175,245.78/262,859.22 = 100,319.16/x
  3. Step 3: Cross multiply
    175,245.78x = 262,859.22 × 100,319.16
  4. Step 4: Simplify right side
    175,245.78x = 26,369,816,148.66
  5. Step 5: Solve for x
    x = 26,369,816,148.66/175,245.78
  6. Step 6: Final answer
    x = 150,473.33

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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.