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Finding the Fourth Proportional to 110,549.60, 165,859.43 and 39,470.68

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Solution

The fourth proportional to 110,549.60, 165,859.43 and 39,470.68 is: 59,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,549.60 : 165,859.43 = 39,470.68 : x
  2. Step 2: Convert to fraction form
    110,549.60/165,859.43 = 39,470.68/x
  3. Step 3: Cross multiply
    110,549.60x = 165,859.43 × 39,470.68
  4. Step 4: Simplify right side
    110,549.60x = 6,546,584,486.51
  5. Step 5: Solve for x
    x = 6,546,584,486.51/110,549.60
  6. Step 6: Final answer
    x = 59,218.53

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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.