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Finding the Fourth Proportional to 70,980.23, 98,001.90 and 44,134.81

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Solution

The fourth proportional to 70,980.23, 98,001.90 and 44,134.81 is: 60,936.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,980.23 : 98,001.90 = 44,134.81 : x
  2. Step 2: Convert to fraction form
    70,980.23/98,001.90 = 44,134.81/x
  3. Step 3: Cross multiply
    70,980.23x = 98,001.90 × 44,134.81
  4. Step 4: Simplify right side
    70,980.23x = 4,325,294,991.13
  5. Step 5: Solve for x
    x = 4,325,294,991.13/70,980.23
  6. Step 6: Final answer
    x = 60,936.61

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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.