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Finding the Fourth Proportional to 110,757.55, 152,792.19 and 72,500.23

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Solution

The fourth proportional to 110,757.55, 152,792.19 and 72,500.23 is: 100,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,757.55 : 152,792.19 = 72,500.23 : x
  2. Step 2: Convert to fraction form
    110,757.55/152,792.19 = 72,500.23/x
  3. Step 3: Cross multiply
    110,757.55x = 152,792.19 × 72,500.23
  4. Step 4: Simplify right side
    110,757.55x = 11,077,468,917.20
  5. Step 5: Solve for x
    x = 11,077,468,917.20/110,757.55
  6. Step 6: Final answer
    x = 100,015.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.