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Finding the Fourth Proportional to 283,575.40, 425,429.25 and 94,021.90

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Solution

The fourth proportional to 283,575.40, 425,429.25 and 94,021.90 is: 141,054.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,575.40 : 425,429.25 = 94,021.90 : x
  2. Step 2: Convert to fraction form
    283,575.40/425,429.25 = 94,021.90/x
  3. Step 3: Cross multiply
    283,575.40x = 425,429.25 × 94,021.90
  4. Step 4: Simplify right side
    283,575.40x = 39,999,664,984.42
  5. Step 5: Solve for x
    x = 39,999,664,984.42/283,575.40
  6. Step 6: Final answer
    x = 141,054.78

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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.