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Finding the Fourth Proportional to 114,224.76, 171,224.11 and 54,147.72

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Solution

The fourth proportional to 114,224.76, 171,224.11 and 54,147.72 is: 81,168.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,224.76 : 171,224.11 = 54,147.72 : x
  2. Step 2: Convert to fraction form
    114,224.76/171,224.11 = 54,147.72/x
  3. Step 3: Cross multiply
    114,224.76x = 171,224.11 × 54,147.72
  4. Step 4: Simplify right side
    114,224.76x = 9,271,395,165.53
  5. Step 5: Solve for x
    x = 9,271,395,165.53/114,224.76
  6. Step 6: Final answer
    x = 81,168.00

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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.