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Finding the Fourth Proportional to 82,427.61, 123,664.61 and 23,263.80

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Solution

The fourth proportional to 82,427.61, 123,664.61 and 23,263.80 is: 34,902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,427.61 : 123,664.61 = 23,263.80 : x
  2. Step 2: Convert to fraction form
    82,427.61/123,664.61 = 23,263.80/x
  3. Step 3: Cross multiply
    82,427.61x = 123,664.61 × 23,263.80
  4. Step 4: Simplify right side
    82,427.61x = 2,876,908,754.12
  5. Step 5: Solve for x
    x = 2,876,908,754.12/82,427.61
  6. Step 6: Final answer
    x = 34,902.25

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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.