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Finding the Fourth Proportional to 283,432.86, 425,173.77 and 73,069.02

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Solution

The fourth proportional to 283,432.86, 425,173.77 and 73,069.02 is: 109,609.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,432.86 : 425,173.77 = 73,069.02 : x
  2. Step 2: Convert to fraction form
    283,432.86/425,173.77 = 73,069.02/x
  3. Step 3: Cross multiply
    283,432.86x = 425,173.77 × 73,069.02
  4. Step 4: Simplify right side
    283,432.86x = 31,067,030,703.61
  5. Step 5: Solve for x
    x = 31,067,030,703.61/283,432.86
  6. Step 6: Final answer
    x = 109,609.84

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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.