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Finding the Fourth Proportional to 80,197.50, 110,672.55 and 46,685.82

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Solution

The fourth proportional to 80,197.50, 110,672.55 and 46,685.82 is: 64,426.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,197.50 : 110,672.55 = 46,685.82 : x
  2. Step 2: Convert to fraction form
    80,197.50/110,672.55 = 46,685.82/x
  3. Step 3: Cross multiply
    80,197.50x = 110,672.55 × 46,685.82
  4. Step 4: Simplify right side
    80,197.50x = 5,166,838,748.24
  5. Step 5: Solve for x
    x = 5,166,838,748.24/80,197.50
  6. Step 6: Final answer
    x = 64,426.43

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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.