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Finding the Fourth Proportional to 107,823.52, 161,745.00 and 28,937.22

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Solution

The fourth proportional to 107,823.52, 161,745.00 and 28,937.22 is: 43,408.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,823.52 : 161,745.00 = 28,937.22 : x
  2. Step 2: Convert to fraction form
    107,823.52/161,745.00 = 28,937.22/x
  3. Step 3: Cross multiply
    107,823.52x = 161,745.00 × 28,937.22
  4. Step 4: Simplify right side
    107,823.52x = 4,680,450,096.61
  5. Step 5: Solve for x
    x = 4,680,450,096.61/107,823.52
  6. Step 6: Final answer
    x = 43,408.43

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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.