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Finding the Fourth Proportional to 146,079, 201,589.38 and 79,011

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Solution

The fourth proportional to 146,079, 201,589.38 and 79,011 is: 109,035.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,079 : 201,589.38 = 79,011 : x
  2. Step 2: Convert to fraction form
    146,079/201,589.38 = 79,011/x
  3. Step 3: Cross multiply
    146,079x = 201,589.38 × 79,011
  4. Step 4: Simplify right side
    146,079x = 15,927,778,503.18
  5. Step 5: Solve for x
    x = 15,927,778,503.18/146,079
  6. Step 6: Final answer
    x = 109,035.37

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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.