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Finding the Fourth Proportional to 92,855.88, 128,149.08 and 52,576.74

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Solution

The fourth proportional to 92,855.88, 128,149.08 and 52,576.74 is: 72,560.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,855.88 : 128,149.08 = 52,576.74 : x
  2. Step 2: Convert to fraction form
    92,855.88/128,149.08 = 52,576.74/x
  3. Step 3: Cross multiply
    92,855.88x = 128,149.08 × 52,576.74
  4. Step 4: Simplify right side
    92,855.88x = 6,737,660,860.40
  5. Step 5: Solve for x
    x = 6,737,660,860.40/92,855.88
  6. Step 6: Final answer
    x = 72,560.41

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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.