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Finding the Fourth Proportional to 92,605.64, 138,813.10 and 36,422.96

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Solution

The fourth proportional to 92,605.64, 138,813.10 and 36,422.96 is: 54,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,605.64 : 138,813.10 = 36,422.96 : x
  2. Step 2: Convert to fraction form
    92,605.64/138,813.10 = 36,422.96/x
  3. Step 3: Cross multiply
    92,605.64x = 138,813.10 × 36,422.96
  4. Step 4: Simplify right side
    92,605.64x = 5,055,983,988.78
  5. Step 5: Solve for x
    x = 5,055,983,988.78/92,605.64
  6. Step 6: Final answer
    x = 54,596.93

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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.