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Finding the Fourth Proportional to 92,719.35, 139,089.89 and 29,517.35

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Solution

The fourth proportional to 92,719.35, 139,089.89 and 29,517.35 is: 44,279.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,719.35 : 139,089.89 = 29,517.35 : x
  2. Step 2: Convert to fraction form
    92,719.35/139,089.89 = 29,517.35/x
  3. Step 3: Cross multiply
    92,719.35x = 139,089.89 × 29,517.35
  4. Step 4: Simplify right side
    92,719.35x = 4,105,564,342.94
  5. Step 5: Solve for x
    x = 4,105,564,342.94/92,719.35
  6. Step 6: Final answer
    x = 44,279.48

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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.