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Finding the Fourth Proportional to 91,325.98, 126,110.01 and 57,393.28

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Solution

The fourth proportional to 91,325.98, 126,110.01 and 57,393.28 is: 79,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,325.98 : 126,110.01 = 57,393.28 : x
  2. Step 2: Convert to fraction form
    91,325.98/126,110.01 = 57,393.28/x
  3. Step 3: Cross multiply
    91,325.98x = 126,110.01 × 57,393.28
  4. Step 4: Simplify right side
    91,325.98x = 7,237,867,114.73
  5. Step 5: Solve for x
    x = 7,237,867,114.73/91,325.98
  6. Step 6: Final answer
    x = 79,253.10

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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.