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Finding the Fourth Proportional to 146,161.06, 201,702.15 and 79,093.06

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Solution

The fourth proportional to 146,161.06, 201,702.15 and 79,093.06 is: 109,148.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,161.06 : 201,702.15 = 79,093.06 : x
  2. Step 2: Convert to fraction form
    146,161.06/201,702.15 = 79,093.06/x
  3. Step 3: Cross multiply
    146,161.06x = 201,702.15 × 79,093.06
  4. Step 4: Simplify right side
    146,161.06x = 15,953,240,252.08
  5. Step 5: Solve for x
    x = 15,953,240,252.08/146,161.06
  6. Step 6: Final answer
    x = 109,148.36

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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.