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Finding the Fourth Proportional to 192,552.90, 265,702.54 and 106,498.21

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Solution

The fourth proportional to 192,552.90, 265,702.54 and 106,498.21 is: 146,956.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,552.90 : 265,702.54 = 106,498.21 : x
  2. Step 2: Convert to fraction form
    192,552.90/265,702.54 = 106,498.21/x
  3. Step 3: Cross multiply
    192,552.90x = 265,702.54 × 106,498.21
  4. Step 4: Simplify right side
    192,552.90x = 28,296,844,902.45
  5. Step 5: Solve for x
    x = 28,296,844,902.45/192,552.90
  6. Step 6: Final answer
    x = 146,956.21

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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.