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Finding the Fourth Proportional to 114,552.70, 171,829.05 and 61,408.60

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Solution

The fourth proportional to 114,552.70, 171,829.05 and 61,408.60 is: 92,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,552.70 : 171,829.05 = 61,408.60 : x
  2. Step 2: Convert to fraction form
    114,552.70/171,829.05 = 61,408.60/x
  3. Step 3: Cross multiply
    114,552.70x = 171,829.05 × 61,408.60
  4. Step 4: Simplify right side
    114,552.70x = 10,551,781,399.83
  5. Step 5: Solve for x
    x = 10,551,781,399.83/114,552.70
  6. Step 6: Final answer
    x = 92,112.90

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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.