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Finding the Fourth Proportional to 92,558.89, 127,731.36 and 50,117.32

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Solution

The fourth proportional to 92,558.89, 127,731.36 and 50,117.32 is: 69,161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,558.89 : 127,731.36 = 50,117.32 : x
  2. Step 2: Convert to fraction form
    92,558.89/127,731.36 = 50,117.32/x
  3. Step 3: Cross multiply
    92,558.89x = 127,731.36 × 50,117.32
  4. Step 4: Simplify right side
    92,558.89x = 6,401,553,443.16
  5. Step 5: Solve for x
    x = 6,401,553,443.16/92,558.89
  6. Step 6: Final answer
    x = 69,161.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.