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Finding the Fourth Proportional to 92,618.88, 138,114.84 and 91,776.84

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Solution

The fourth proportional to 92,618.88, 138,114.84 and 91,776.84 is: 136,859.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,618.88 : 138,114.84 = 91,776.84 : x
  2. Step 2: Convert to fraction form
    92,618.88/138,114.84 = 91,776.84/x
  3. Step 3: Cross multiply
    92,618.88x = 138,114.84 × 91,776.84
  4. Step 4: Simplify right side
    92,618.88x = 12,675,743,572.31
  5. Step 5: Solve for x
    x = 12,675,743,572.31/92,618.88
  6. Step 6: Final answer
    x = 136,859.18

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.