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Finding the Fourth Proportional to 101,650.34, 140,277.48 and 56,938.34

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Solution

The fourth proportional to 101,650.34, 140,277.48 and 56,938.34 is: 78,574.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,650.34 : 140,277.48 = 56,938.34 : x
  2. Step 2: Convert to fraction form
    101,650.34/140,277.48 = 56,938.34/x
  3. Step 3: Cross multiply
    101,650.34x = 140,277.48 × 56,938.34
  4. Step 4: Simplify right side
    101,650.34x = 7,987,166,850.58
  5. Step 5: Solve for x
    x = 7,987,166,850.58/101,650.34
  6. Step 6: Final answer
    x = 78,574.92

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