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Finding the Fourth Proportional to 110,046.67, 165,048.13 and 53,862.64

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Solution

The fourth proportional to 110,046.67, 165,048.13 and 53,862.64 is: 80,783.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,046.67 : 165,048.13 = 53,862.64 : x
  2. Step 2: Convert to fraction form
    110,046.67/165,048.13 = 53,862.64/x
  3. Step 3: Cross multiply
    110,046.67x = 165,048.13 × 53,862.64
  4. Step 4: Simplify right side
    110,046.67x = 8,889,927,663.57
  5. Step 5: Solve for x
    x = 8,889,927,663.57/110,046.67
  6. Step 6: Final answer
    x = 80,783.25

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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.