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Finding the Fourth Proportional to 92,838.78, 139,263.57 and 26,273.34

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Solution

The fourth proportional to 92,838.78, 139,263.57 and 26,273.34 is: 39,411.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,838.78 : 139,263.57 = 26,273.34 : x
  2. Step 2: Convert to fraction form
    92,838.78/139,263.57 = 26,273.34/x
  3. Step 3: Cross multiply
    92,838.78x = 139,263.57 × 26,273.34
  4. Step 4: Simplify right side
    92,838.78x = 3,658,919,124.22
  5. Step 5: Solve for x
    x = 3,658,919,124.22/92,838.78
  6. Step 6: Final answer
    x = 39,411.54

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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.