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Finding the Fourth Proportional to 110,593.60, 165,890.40 and 31,703.20

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Solution

The fourth proportional to 110,593.60, 165,890.40 and 31,703.20 is: 47,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,593.60 : 165,890.40 = 31,703.20 : x
  2. Step 2: Convert to fraction form
    110,593.60/165,890.40 = 31,703.20/x
  3. Step 3: Cross multiply
    110,593.60x = 165,890.40 × 31,703.20
  4. Step 4: Simplify right side
    110,593.60x = 5,259,256,529.28
  5. Step 5: Solve for x
    x = 5,259,256,529.28/110,593.60
  6. Step 6: Final answer
    x = 47,554.80

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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.