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Finding the Fourth Proportional to 283,575.06, 425,418.48 and 81,173.07

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Solution

The fourth proportional to 283,575.06, 425,418.48 and 81,173.07 is: 121,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,575.06 : 425,418.48 = 81,173.07 : x
  2. Step 2: Convert to fraction form
    283,575.06/425,418.48 = 81,173.07/x
  3. Step 3: Cross multiply
    283,575.06x = 425,418.48 × 81,173.07
  4. Step 4: Simplify right side
    283,575.06x = 34,532,524,056.33
  5. Step 5: Solve for x
    x = 34,532,524,056.33/283,575.06
  6. Step 6: Final answer
    x = 121,775.60

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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.