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Finding the Fourth Proportional to 192,749.52, 265,990.14 and 106,703.52

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Solution

The fourth proportional to 192,749.52, 265,990.14 and 106,703.52 is: 147,248.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,749.52 : 265,990.14 = 106,703.52 : x
  2. Step 2: Convert to fraction form
    192,749.52/265,990.14 = 106,703.52/x
  3. Step 3: Cross multiply
    192,749.52x = 265,990.14 × 106,703.52
  4. Step 4: Simplify right side
    192,749.52x = 28,382,084,223.29
  5. Step 5: Solve for x
    x = 28,382,084,223.29/192,749.52
  6. Step 6: Final answer
    x = 147,248.53

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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.