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Finding the Fourth Proportional to 82,703.60, 124,054.68 and 23,531.48

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Solution

The fourth proportional to 82,703.60, 124,054.68 and 23,531.48 is: 35,297.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,703.60 : 124,054.68 = 23,531.48 : x
  2. Step 2: Convert to fraction form
    82,703.60/124,054.68 = 23,531.48/x
  3. Step 3: Cross multiply
    82,703.60x = 124,054.68 × 23,531.48
  4. Step 4: Simplify right side
    82,703.60x = 2,919,190,221.33
  5. Step 5: Solve for x
    x = 2,919,190,221.33/82,703.60
  6. Step 6: Final answer
    x = 35,297.02

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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.