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Finding the Fourth Proportional to 110,347.69, 165,520.67 and 73,074.56

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Solution

The fourth proportional to 110,347.69, 165,520.67 and 73,074.56 is: 109,611.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,347.69 : 165,520.67 = 73,074.56 : x
  2. Step 2: Convert to fraction form
    110,347.69/165,520.67 = 73,074.56/x
  3. Step 3: Cross multiply
    110,347.69x = 165,520.67 × 73,074.56
  4. Step 4: Simplify right side
    110,347.69x = 12,095,348,938.18
  5. Step 5: Solve for x
    x = 12,095,348,938.18/110,347.69
  6. Step 6: Final answer
    x = 109,611.25

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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.