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Finding the Fourth Proportional to 250,505.81, 345,734.95 and 158,633.48

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Solution

The fourth proportional to 250,505.81, 345,734.95 and 158,633.48 is: 218,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,505.81 : 345,734.95 = 158,633.48 : x
  2. Step 2: Convert to fraction form
    250,505.81/345,734.95 = 158,633.48/x
  3. Step 3: Cross multiply
    250,505.81x = 345,734.95 × 158,633.48
  4. Step 4: Simplify right side
    250,505.81x = 54,845,138,276.13
  5. Step 5: Solve for x
    x = 54,845,138,276.13/250,505.81
  6. Step 6: Final answer
    x = 218,937.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.