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Finding the Fourth Proportional to 192,563.61, 265,717.42 and 106,508.91

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Solution

The fourth proportional to 192,563.61, 265,717.42 and 106,508.91 is: 146,971.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,563.61 : 265,717.42 = 106,508.91 : x
  2. Step 2: Convert to fraction form
    192,563.61/265,717.42 = 106,508.91/x
  3. Step 3: Cross multiply
    192,563.61x = 265,717.42 × 106,508.91
  4. Step 4: Simplify right side
    192,563.61x = 28,301,272,772.21
  5. Step 5: Solve for x
    x = 28,301,272,772.21/192,563.61
  6. Step 6: Final answer
    x = 146,971.03

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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.