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Finding the Fourth Proportional to 239,472.36, 359,208.54 and 106,321.32

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Solution

The fourth proportional to 239,472.36, 359,208.54 and 106,321.32 is: 159,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,472.36 : 359,208.54 = 106,321.32 : x
  2. Step 2: Convert to fraction form
    239,472.36/359,208.54 = 106,321.32/x
  3. Step 3: Cross multiply
    239,472.36x = 359,208.54 × 106,321.32
  4. Step 4: Simplify right side
    239,472.36x = 38,191,526,128.07
  5. Step 5: Solve for x
    x = 38,191,526,128.07/239,472.36
  6. Step 6: Final answer
    x = 159,481.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.