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Finding the Fourth Proportional to 110,587.40, 165,988.02 and 104,593.40

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Solution

The fourth proportional to 110,587.40, 165,988.02 and 104,593.40 is: 156,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,587.40 : 165,988.02 = 104,593.40 : x
  2. Step 2: Convert to fraction form
    110,587.40/165,988.02 = 104,593.40/x
  3. Step 3: Cross multiply
    110,587.40x = 165,988.02 × 104,593.40
  4. Step 4: Simplify right side
    110,587.40x = 17,361,251,371.07
  5. Step 5: Solve for x
    x = 17,361,251,371.07/110,587.40
  6. Step 6: Final answer
    x = 156,991.22

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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.