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Finding the Fourth Proportional to 238,449.96, 357,730.26 and 69,963.48

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Solution

The fourth proportional to 238,449.96, 357,730.26 and 69,963.48 is: 104,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,449.96 : 357,730.26 = 69,963.48 : x
  2. Step 2: Convert to fraction form
    238,449.96/357,730.26 = 69,963.48/x
  3. Step 3: Cross multiply
    238,449.96x = 357,730.26 × 69,963.48
  4. Step 4: Simplify right side
    238,449.96x = 25,028,053,890.90
  5. Step 5: Solve for x
    x = 25,028,053,890.90/238,449.96
  6. Step 6: Final answer
    x = 104,961.45

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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.