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Finding the Fourth Proportional to 85,266.88, 127,900.32 and 22,943.68

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Solution

The fourth proportional to 85,266.88, 127,900.32 and 22,943.68 is: 34,415.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,266.88 : 127,900.32 = 22,943.68 : x
  2. Step 2: Convert to fraction form
    85,266.88/127,900.32 = 22,943.68/x
  3. Step 3: Cross multiply
    85,266.88x = 127,900.32 × 22,943.68
  4. Step 4: Simplify right side
    85,266.88x = 2,934,504,013.98
  5. Step 5: Solve for x
    x = 2,934,504,013.98/85,266.88
  6. Step 6: Final answer
    x = 34,415.52

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1.5x scale

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.