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Finding the Fourth Proportional to 91,227, 125,892.03 and 50,941.45

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Solution

The fourth proportional to 91,227, 125,892.03 and 50,941.45 is: 70,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,227 : 125,892.03 = 50,941.45 : x
  2. Step 2: Convert to fraction form
    91,227/125,892.03 = 50,941.45/x
  3. Step 3: Cross multiply
    91,227x = 125,892.03 × 50,941.45
  4. Step 4: Simplify right side
    91,227x = 6,413,122,551.64
  5. Step 5: Solve for x
    x = 6,413,122,551.64/91,227
  6. Step 6: Final answer
    x = 70,298.51

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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.