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Finding the Fourth Proportional to 92,326.88, 138,513.66 and 25,766.96

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Solution

The fourth proportional to 92,326.88, 138,513.66 and 25,766.96 is: 38,656.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,326.88 : 138,513.66 = 25,766.96 : x
  2. Step 2: Convert to fraction form
    92,326.88/138,513.66 = 25,766.96/x
  3. Step 3: Cross multiply
    92,326.88x = 138,513.66 × 25,766.96
  4. Step 4: Simplify right side
    92,326.88x = 3,569,075,936.67
  5. Step 5: Solve for x
    x = 3,569,075,936.67/92,326.88
  6. Step 6: Final answer
    x = 38,656.95

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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.