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Finding the Fourth Proportional to 110,549.34, 165,859.05 and 39,470.43

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Solution

The fourth proportional to 110,549.34, 165,859.05 and 39,470.43 is: 59,218.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,549.34 : 165,859.05 = 39,470.43 : x
  2. Step 2: Convert to fraction form
    110,549.34/165,859.05 = 39,470.43/x
  3. Step 3: Cross multiply
    110,549.34x = 165,859.05 × 39,470.43
  4. Step 4: Simplify right side
    110,549.34x = 6,546,528,022.89
  5. Step 5: Solve for x
    x = 6,546,528,022.89/110,549.34
  6. Step 6: Final answer
    x = 59,218.16

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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.