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Finding the Fourth Proportional to 118,846.71, 164,008.44 and 68,545.71

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Solution

The fourth proportional to 118,846.71, 164,008.44 and 68,545.71 is: 94,593.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,846.71 : 164,008.44 = 68,545.71 : x
  2. Step 2: Convert to fraction form
    118,846.71/164,008.44 = 68,545.71/x
  3. Step 3: Cross multiply
    118,846.71x = 164,008.44 × 68,545.71
  4. Step 4: Simplify right side
    118,846.71x = 11,242,074,965.79
  5. Step 5: Solve for x
    x = 11,242,074,965.79/118,846.71
  6. Step 6: Final answer
    x = 94,593.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.