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Finding the Fourth Proportional to 114,652.80, 171,921.60 and 52,252.80

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Solution

The fourth proportional to 114,652.80, 171,921.60 and 52,252.80 is: 78,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,652.80 : 171,921.60 = 52,252.80 : x
  2. Step 2: Convert to fraction form
    114,652.80/171,921.60 = 52,252.80/x
  3. Step 3: Cross multiply
    114,652.80x = 171,921.60 × 52,252.80
  4. Step 4: Simplify right side
    114,652.80x = 8,983,384,980.48
  5. Step 5: Solve for x
    x = 8,983,384,980.48/114,652.80
  6. Step 6: Final answer
    x = 78,352.95

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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.