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Finding the Fourth Proportional to 73,733.70, 110,600.55 and 42,131.55

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Solution

The fourth proportional to 73,733.70, 110,600.55 and 42,131.55 is: 63,197.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,733.70 : 110,600.55 = 42,131.55 : x
  2. Step 2: Convert to fraction form
    73,733.70/110,600.55 = 42,131.55/x
  3. Step 3: Cross multiply
    73,733.70x = 110,600.55 × 42,131.55
  4. Step 4: Simplify right side
    73,733.70x = 4,659,772,602.35
  5. Step 5: Solve for x
    x = 4,659,772,602.35/73,733.70
  6. Step 6: Final answer
    x = 63,197.33

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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.