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Finding the Fourth Proportional to 91,252.78, 125,927.50 and 50,967.11

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Solution

The fourth proportional to 91,252.78, 125,927.50 and 50,967.11 is: 70,333.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,252.78 : 125,927.50 = 50,967.11 : x
  2. Step 2: Convert to fraction form
    91,252.78/125,927.50 = 50,967.11/x
  3. Step 3: Cross multiply
    91,252.78x = 125,927.50 × 50,967.11
  4. Step 4: Simplify right side
    91,252.78x = 6,418,160,319.15
  5. Step 5: Solve for x
    x = 6,418,160,319.15/91,252.78
  6. Step 6: Final answer
    x = 70,333.86

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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.