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Finding the Fourth Proportional to 92,252.50, 138,378.75 and 26,588.50

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Solution

The fourth proportional to 92,252.50, 138,378.75 and 26,588.50 is: 39,882.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,252.50 : 138,378.75 = 26,588.50 : x
  2. Step 2: Convert to fraction form
    92,252.50/138,378.75 = 26,588.50/x
  3. Step 3: Cross multiply
    92,252.50x = 138,378.75 × 26,588.50
  4. Step 4: Simplify right side
    92,252.50x = 3,679,283,394.38
  5. Step 5: Solve for x
    x = 3,679,283,394.38/92,252.50
  6. Step 6: Final answer
    x = 39,882.75

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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.