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Finding the Fourth Proportional to 238,108.60, 356,871.30 and 104,847.40

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Solution

The fourth proportional to 238,108.60, 356,871.30 and 104,847.40 is: 157,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,108.60 : 356,871.30 = 104,847.40 : x
  2. Step 2: Convert to fraction form
    238,108.60/356,871.30 = 104,847.40/x
  3. Step 3: Cross multiply
    238,108.60x = 356,871.30 × 104,847.40
  4. Step 4: Simplify right side
    238,108.60x = 37,417,027,939.62
  5. Step 5: Solve for x
    x = 37,417,027,939.62/238,108.60
  6. Step 6: Final answer
    x = 157,142.70

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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.