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Finding the Fourth Proportional to 239,456, 359,185.80 and 106,300.46

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Solution

The fourth proportional to 239,456, 359,185.80 and 106,300.46 is: 159,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,456 : 359,185.80 = 106,300.46 : x
  2. Step 2: Convert to fraction form
    239,456/359,185.80 = 106,300.46/x
  3. Step 3: Cross multiply
    239,456x = 359,185.80 × 106,300.46
  4. Step 4: Simplify right side
    239,456x = 38,181,615,765.47
  5. Step 5: Solve for x
    x = 38,181,615,765.47/239,456
  6. Step 6: Final answer
    x = 159,451.49

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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.