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Finding the Fourth Proportional to 155,995.96, 234,035.44 and 49,381.96

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Solution

The fourth proportional to 155,995.96, 234,035.44 and 49,381.96 is: 74,086.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,995.96 : 234,035.44 = 49,381.96 : x
  2. Step 2: Convert to fraction form
    155,995.96/234,035.44 = 49,381.96/x
  3. Step 3: Cross multiply
    155,995.96x = 234,035.44 × 49,381.96
  4. Step 4: Simplify right side
    155,995.96x = 11,557,128,736.66
  5. Step 5: Solve for x
    x = 11,557,128,736.66/155,995.96
  6. Step 6: Final answer
    x = 74,086.08

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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.