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Finding the Fourth Proportional to 101,524.54, 140,101.82 and 56,202.50

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Solution

The fourth proportional to 101,524.54, 140,101.82 and 56,202.50 is: 77,558.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,524.54 : 140,101.82 = 56,202.50 : x
  2. Step 2: Convert to fraction form
    101,524.54/140,101.82 = 56,202.50/x
  3. Step 3: Cross multiply
    101,524.54x = 140,101.82 × 56,202.50
  4. Step 4: Simplify right side
    101,524.54x = 7,874,072,538.55
  5. Step 5: Solve for x
    x = 7,874,072,538.55/101,524.54
  6. Step 6: Final answer
    x = 77,558.32

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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.