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Finding the Fourth Proportional to 323,864.91, 485,803.44 and 110,681.61

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Solution

The fourth proportional to 323,864.91, 485,803.44 and 110,681.61 is: 166,024.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,864.91 : 485,803.44 = 110,681.61 : x
  2. Step 2: Convert to fraction form
    323,864.91/485,803.44 = 110,681.61/x
  3. Step 3: Cross multiply
    323,864.91x = 485,803.44 × 110,681.61
  4. Step 4: Simplify right side
    323,864.91x = 53,769,506,882.74
  5. Step 5: Solve for x
    x = 53,769,506,882.74/323,864.91
  6. Step 6: Final answer
    x = 166,024.49

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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.