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Finding the Fourth Proportional to 110,539.61, 165,844.47 and 39,460.69

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Solution

The fourth proportional to 110,539.61, 165,844.47 and 39,460.69 is: 59,203.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,539.61 : 165,844.47 = 39,460.69 : x
  2. Step 2: Convert to fraction form
    110,539.61/165,844.47 = 39,460.69/x
  3. Step 3: Cross multiply
    110,539.61x = 165,844.47 × 39,460.69
  4. Step 4: Simplify right side
    110,539.61x = 6,544,336,389.66
  5. Step 5: Solve for x
    x = 6,544,336,389.66/110,539.61
  6. Step 6: Final answer
    x = 59,203.54

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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.