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Finding the Fourth Proportional to 110,044.98, 165,045.60 and 53,860.95

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Solution

The fourth proportional to 110,044.98, 165,045.60 and 53,860.95 is: 80,780.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,044.98 : 165,045.60 = 53,860.95 : x
  2. Step 2: Convert to fraction form
    110,044.98/165,045.60 = 53,860.95/x
  3. Step 3: Cross multiply
    110,044.98x = 165,045.60 × 53,860.95
  4. Step 4: Simplify right side
    110,044.98x = 8,889,512,809.32
  5. Step 5: Solve for x
    x = 8,889,512,809.32/110,044.98
  6. Step 6: Final answer
    x = 80,780.72

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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.