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Finding the Fourth Proportional to 92,565.98, 138,849 and 22,445.28

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Solution

The fourth proportional to 92,565.98, 138,849 and 22,445.28 is: 33,667.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,565.98 : 138,849 = 22,445.28 : x
  2. Step 2: Convert to fraction form
    92,565.98/138,849 = 22,445.28/x
  3. Step 3: Cross multiply
    92,565.98x = 138,849 × 22,445.28
  4. Step 4: Simplify right side
    92,565.98x = 3,116,504,682.72
  5. Step 5: Solve for x
    x = 3,116,504,682.72/92,565.98
  6. Step 6: Final answer
    x = 33,667.93

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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.