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Finding the Fourth Proportional to 92,818.88, 128,089.30 and 50,377.44

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Solution

The fourth proportional to 92,818.88, 128,089.30 and 50,377.44 is: 69,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,818.88 : 128,089.30 = 50,377.44 : x
  2. Step 2: Convert to fraction form
    92,818.88/128,089.30 = 50,377.44/x
  3. Step 3: Cross multiply
    92,818.88x = 128,089.30 × 50,377.44
  4. Step 4: Simplify right side
    92,818.88x = 6,452,811,025.39
  5. Step 5: Solve for x
    x = 6,452,811,025.39/92,818.88
  6. Step 6: Final answer
    x = 69,520.46

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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.