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Finding the Fourth Proportional to 110,163.67, 165,194.47 and 89,051.83

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Solution

The fourth proportional to 110,163.67, 165,194.47 and 89,051.83 is: 133,536.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,163.67 : 165,194.47 = 89,051.83 : x
  2. Step 2: Convert to fraction form
    110,163.67/165,194.47 = 89,051.83/x
  3. Step 3: Cross multiply
    110,163.67x = 165,194.47 × 89,051.83
  4. Step 4: Simplify right side
    110,163.67x = 14,710,869,859.38
  5. Step 5: Solve for x
    x = 14,710,869,859.38/110,163.67
  6. Step 6: Final answer
    x = 133,536.49

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1.5x scale

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.