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Finding the Fourth Proportional to 163,247.79, 244,924.61 and 80,083.47

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Solution

The fourth proportional to 163,247.79, 244,924.61 and 80,083.47 is: 120,151.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,247.79 : 244,924.61 = 80,083.47 : x
  2. Step 2: Convert to fraction form
    163,247.79/244,924.61 = 80,083.47/x
  3. Step 3: Cross multiply
    163,247.79x = 244,924.61 × 80,083.47
  4. Step 4: Simplify right side
    163,247.79x = 19,614,412,657.20
  5. Step 5: Solve for x
    x = 19,614,412,657.20/163,247.79
  6. Step 6: Final answer
    x = 120,151.17

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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.