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Finding the Fourth Proportional to 110,091.78, 165,201.23 and 59,490.98

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Solution

The fourth proportional to 110,091.78, 165,201.23 and 59,490.98 is: 89,270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,091.78 : 165,201.23 = 59,490.98 : x
  2. Step 2: Convert to fraction form
    110,091.78/165,201.23 = 59,490.98/x
  3. Step 3: Cross multiply
    110,091.78x = 165,201.23 × 59,490.98
  4. Step 4: Simplify right side
    110,091.78x = 9,827,983,069.91
  5. Step 5: Solve for x
    x = 9,827,983,069.91/110,091.78
  6. Step 6: Final answer
    x = 89,270.82

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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.