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Finding the Fourth Proportional to 283,558.60, 425,337.90 and 86,566.60

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Solution

The fourth proportional to 283,558.60, 425,337.90 and 86,566.60 is: 129,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,558.60 : 425,337.90 = 86,566.60 : x
  2. Step 2: Convert to fraction form
    283,558.60/425,337.90 = 86,566.60/x
  3. Step 3: Cross multiply
    283,558.60x = 425,337.90 × 86,566.60
  4. Step 4: Simplify right side
    283,558.60x = 36,820,055,854.14
  5. Step 5: Solve for x
    x = 36,820,055,854.14/283,558.60
  6. Step 6: Final answer
    x = 129,849.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.