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Finding the Fourth Proportional to 110,161.67, 165,191.47 and 89,049.83

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Solution

The fourth proportional to 110,161.67, 165,191.47 and 89,049.83 is: 133,533.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,161.67 : 165,191.47 = 89,049.83 : x
  2. Step 2: Convert to fraction form
    110,161.67/165,191.47 = 89,049.83/x
  3. Step 3: Cross multiply
    110,161.67x = 165,191.47 × 89,049.83
  4. Step 4: Simplify right side
    110,161.67x = 14,710,271,272.37
  5. Step 5: Solve for x
    x = 14,710,271,272.37/110,161.67
  6. Step 6: Final answer
    x = 133,533.49

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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.