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Finding the Fourth Proportional to 283,561.67, 425,342.49 and 83,866.52

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Solution

The fourth proportional to 283,561.67, 425,342.49 and 83,866.52 is: 125,799.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,561.67 : 425,342.49 = 83,866.52 : x
  2. Step 2: Convert to fraction form
    283,561.67/425,342.49 = 83,866.52/x
  3. Step 3: Cross multiply
    283,561.67x = 425,342.49 × 83,866.52
  4. Step 4: Simplify right side
    283,561.67x = 35,671,994,444.43
  5. Step 5: Solve for x
    x = 35,671,994,444.43/283,561.67
  6. Step 6: Final answer
    x = 125,799.78

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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.