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Finding the Fourth Proportional to 58,745.97, 88,118.90 and 20,823.02

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Solution

The fourth proportional to 58,745.97, 88,118.90 and 20,823.02 is: 31,234.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,745.97 : 88,118.90 = 20,823.02 : x
  2. Step 2: Convert to fraction form
    58,745.97/88,118.90 = 20,823.02/x
  3. Step 3: Cross multiply
    58,745.97x = 88,118.90 × 20,823.02
  4. Step 4: Simplify right side
    58,745.97x = 1,834,901,617.08
  5. Step 5: Solve for x
    x = 1,834,901,617.08/58,745.97
  6. Step 6: Final answer
    x = 31,234.51

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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.