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Finding the Fourth Proportional to 250,753.50, 346,039.82 and 143,325.84

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Solution

The fourth proportional to 250,753.50, 346,039.82 and 143,325.84 is: 197,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,753.50 : 346,039.82 = 143,325.84 : x
  2. Step 2: Convert to fraction form
    250,753.50/346,039.82 = 143,325.84/x
  3. Step 3: Cross multiply
    250,753.50x = 346,039.82 × 143,325.84
  4. Step 4: Simplify right side
    250,753.50x = 49,596,448,233.26
  5. Step 5: Solve for x
    x = 49,596,448,233.26/250,753.50
  6. Step 6: Final answer
    x = 197,789.65

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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.