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Finding the Fourth Proportional to 114,913.37, 172,251.17 and 43,816.88

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Solution

The fourth proportional to 114,913.37, 172,251.17 and 43,816.88 is: 65,679.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,913.37 : 172,251.17 = 43,816.88 : x
  2. Step 2: Convert to fraction form
    114,913.37/172,251.17 = 43,816.88/x
  3. Step 3: Cross multiply
    114,913.37x = 172,251.17 × 43,816.88
  4. Step 4: Simplify right side
    114,913.37x = 7,547,508,845.75
  5. Step 5: Solve for x
    x = 7,547,508,845.75/114,913.37
  6. Step 6: Final answer
    x = 65,679.99

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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.