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Finding the Fourth Proportional to 101,812.44, 152,723.46 and 84,010.08

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Solution

The fourth proportional to 101,812.44, 152,723.46 and 84,010.08 is: 126,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,812.44 : 152,723.46 = 84,010.08 : x
  2. Step 2: Convert to fraction form
    101,812.44/152,723.46 = 84,010.08/x
  3. Step 3: Cross multiply
    101,812.44x = 152,723.46 × 84,010.08
  4. Step 4: Simplify right side
    101,812.44x = 12,830,310,092.48
  5. Step 5: Solve for x
    x = 12,830,310,092.48/101,812.44
  6. Step 6: Final answer
    x = 126,019.08

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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.