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Finding the Fourth Proportional to 146,116, 201,641.52 and 79,049.44

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Solution

The fourth proportional to 146,116, 201,641.52 and 79,049.44 is: 109,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,116 : 201,641.52 = 79,049.44 : x
  2. Step 2: Convert to fraction form
    146,116/201,641.52 = 79,049.44/x
  3. Step 3: Cross multiply
    146,116x = 201,641.52 × 79,049.44
  4. Step 4: Simplify right side
    146,116x = 15,939,649,236.75
  5. Step 5: Solve for x
    x = 15,939,649,236.75/146,116
  6. Step 6: Final answer
    x = 109,089.01

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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.