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Finding the Fourth Proportional to 101,267.76, 139,745.28 and 58,244.01

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Solution

The fourth proportional to 101,267.76, 139,745.28 and 58,244.01 is: 80,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,267.76 : 139,745.28 = 58,244.01 : x
  2. Step 2: Convert to fraction form
    101,267.76/139,745.28 = 58,244.01/x
  3. Step 3: Cross multiply
    101,267.76x = 139,745.28 × 58,244.01
  4. Step 4: Simplify right side
    101,267.76x = 8,139,325,485.77
  5. Step 5: Solve for x
    x = 8,139,325,485.77/101,267.76
  6. Step 6: Final answer
    x = 80,374.30

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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.