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Finding the Fourth Proportional to 250,773.84, 346,067.91 and 143,346.20

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Solution

The fourth proportional to 250,773.84, 346,067.91 and 143,346.20 is: 197,817.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,773.84 : 346,067.91 = 143,346.20 : x
  2. Step 2: Convert to fraction form
    250,773.84/346,067.91 = 143,346.20/x
  3. Step 3: Cross multiply
    250,773.84x = 346,067.91 × 143,346.20
  4. Step 4: Simplify right side
    250,773.84x = 49,607,518,110.10
  5. Step 5: Solve for x
    x = 49,607,518,110.10/250,773.84
  6. Step 6: Final answer
    x = 197,817.76

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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.