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Finding the Fourth Proportional to 146,167, 201,710.64 and 79,099

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Solution

The fourth proportional to 146,167, 201,710.64 and 79,099 is: 109,156.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,167 : 201,710.64 = 79,099 : x
  2. Step 2: Convert to fraction form
    146,167/201,710.64 = 79,099/x
  3. Step 3: Cross multiply
    146,167x = 201,710.64 × 79,099
  4. Step 4: Simplify right side
    146,167x = 15,955,109,913.36
  5. Step 5: Solve for x
    x = 15,955,109,913.36/146,167
  6. Step 6: Final answer
    x = 109,156.72

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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.