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Finding the Fourth Proportional to 85,226.95, 127,858.88 and 32,636.43

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Solution

The fourth proportional to 85,226.95, 127,858.88 and 32,636.43 is: 48,961.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,226.95 : 127,858.88 = 32,636.43 : x
  2. Step 2: Convert to fraction form
    85,226.95/127,858.88 = 32,636.43/x
  3. Step 3: Cross multiply
    85,226.95x = 127,858.88 × 32,636.43
  4. Step 4: Simplify right side
    85,226.95x = 4,172,857,543.46
  5. Step 5: Solve for x
    x = 4,172,857,543.46/85,226.95
  6. Step 6: Final answer
    x = 48,961.72

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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.