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Finding the Fourth Proportional to 114,640.56, 171,905.46 and 48,062.82

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Solution

The fourth proportional to 114,640.56, 171,905.46 and 48,062.82 is: 72,071.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,640.56 : 171,905.46 = 48,062.82 : x
  2. Step 2: Convert to fraction form
    114,640.56/171,905.46 = 48,062.82/x
  3. Step 3: Cross multiply
    114,640.56x = 171,905.46 × 48,062.82
  4. Step 4: Simplify right side
    114,640.56x = 8,262,261,181.00
  5. Step 5: Solve for x
    x = 8,262,261,181.00/114,640.56
  6. Step 6: Final answer
    x = 72,071.01

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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.