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Finding the Fourth Proportional to 110,041.72, 165,073.51 and 39,926.50

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Solution

The fourth proportional to 110,041.72, 165,073.51 and 39,926.50 is: 59,893.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,041.72 : 165,073.51 = 39,926.50 : x
  2. Step 2: Convert to fraction form
    110,041.72/165,073.51 = 39,926.50/x
  3. Step 3: Cross multiply
    110,041.72x = 165,073.51 × 39,926.50
  4. Step 4: Simplify right side
    110,041.72x = 6,590,807,134.24
  5. Step 5: Solve for x
    x = 6,590,807,134.24/110,041.72
  6. Step 6: Final answer
    x = 59,893.71

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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.