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Finding the Fourth Proportional to 114,061.92, 171,079.52 and 43,892.16

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Solution

The fourth proportional to 114,061.92, 171,079.52 and 43,892.16 is: 65,833.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,061.92 : 171,079.52 = 43,892.16 : x
  2. Step 2: Convert to fraction form
    114,061.92/171,079.52 = 43,892.16/x
  3. Step 3: Cross multiply
    114,061.92x = 171,079.52 × 43,892.16
  4. Step 4: Simplify right side
    114,061.92x = 7,509,049,664.56
  5. Step 5: Solve for x
    x = 7,509,049,664.56/114,061.92
  6. Step 6: Final answer
    x = 65,833.10

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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.