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Finding the Fourth Proportional to 92,908.81, 139,363.17 and 26,349.52

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Solution

The fourth proportional to 92,908.81, 139,363.17 and 26,349.52 is: 39,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,908.81 : 139,363.17 = 26,349.52 : x
  2. Step 2: Convert to fraction form
    92,908.81/139,363.17 = 26,349.52/x
  3. Step 3: Cross multiply
    92,908.81x = 139,363.17 × 26,349.52
  4. Step 4: Simplify right side
    92,908.81x = 3,672,152,635.18
  5. Step 5: Solve for x
    x = 3,672,152,635.18/92,908.81
  6. Step 6: Final answer
    x = 39,524.27

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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.