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Finding the Fourth Proportional to 84,607.57, 116,745.83 and 52,374.61

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Solution

The fourth proportional to 84,607.57, 116,745.83 and 52,374.61 is: 72,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,607.57 : 116,745.83 = 52,374.61 : x
  2. Step 2: Convert to fraction form
    84,607.57/116,745.83 = 52,374.61/x
  3. Step 3: Cross multiply
    84,607.57x = 116,745.83 × 52,374.61
  4. Step 4: Simplify right side
    84,607.57x = 6,114,516,761.64
  5. Step 5: Solve for x
    x = 6,114,516,761.64/84,607.57
  6. Step 6: Final answer
    x = 72,269.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.