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Finding the Fourth Proportional to 283,253.82, 425,143.53 and 143,110.86

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Solution

The fourth proportional to 283,253.82, 425,143.53 and 143,110.86 is: 214,799.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,253.82 : 425,143.53 = 143,110.86 : x
  2. Step 2: Convert to fraction form
    283,253.82/425,143.53 = 143,110.86/x
  3. Step 3: Cross multiply
    283,253.82x = 425,143.53 × 143,110.86
  4. Step 4: Simplify right side
    283,253.82x = 60,842,656,201.74
  5. Step 5: Solve for x
    x = 60,842,656,201.74/283,253.82
  6. Step 6: Final answer
    x = 214,799.07

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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.