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Finding the Fourth Proportional to 110,347.68, 165,373.92 and 40,160.64

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Solution

The fourth proportional to 110,347.68, 165,373.92 and 40,160.64 is: 60,187.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,347.68 : 165,373.92 = 40,160.64 : x
  2. Step 2: Convert to fraction form
    110,347.68/165,373.92 = 40,160.64/x
  3. Step 3: Cross multiply
    110,347.68x = 165,373.92 × 40,160.64
  4. Step 4: Simplify right side
    110,347.68x = 6,641,522,466.51
  5. Step 5: Solve for x
    x = 6,641,522,466.51/110,347.68
  6. Step 6: Final answer
    x = 60,187.24

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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.