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Finding the Fourth Proportional to 195,720.74, 270,100.98 and 110,835.98

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Solution

The fourth proportional to 195,720.74, 270,100.98 and 110,835.98 is: 152,957.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,720.74 : 270,100.98 = 110,835.98 : x
  2. Step 2: Convert to fraction form
    195,720.74/270,100.98 = 110,835.98/x
  3. Step 3: Cross multiply
    195,720.74x = 270,100.98 × 110,835.98
  4. Step 4: Simplify right side
    195,720.74x = 29,936,906,817.26
  5. Step 5: Solve for x
    x = 29,936,906,817.26/195,720.74
  6. Step 6: Final answer
    x = 152,957.25

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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.