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Finding the Fourth Proportional to 110,464.60, 165,721.20 and 35,588.20

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Solution

The fourth proportional to 110,464.60, 165,721.20 and 35,588.20 is: 53,390.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,464.60 : 165,721.20 = 35,588.20 : x
  2. Step 2: Convert to fraction form
    110,464.60/165,721.20 = 35,588.20/x
  3. Step 3: Cross multiply
    110,464.60x = 165,721.20 × 35,588.20
  4. Step 4: Simplify right side
    110,464.60x = 5,897,719,209.84
  5. Step 5: Solve for x
    x = 5,897,719,209.84/110,464.60
  6. Step 6: Final answer
    x = 53,390.13

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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.