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Finding the Fourth Proportional to 101,230.85, 139,692.44 and 60,957.65

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Solution

The fourth proportional to 101,230.85, 139,692.44 and 60,957.65 is: 84,117.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,230.85 : 139,692.44 = 60,957.65 : x
  2. Step 2: Convert to fraction form
    101,230.85/139,692.44 = 60,957.65/x
  3. Step 3: Cross multiply
    101,230.85x = 139,692.44 × 60,957.65
  4. Step 4: Simplify right side
    101,230.85x = 8,515,322,865.17
  5. Step 5: Solve for x
    x = 8,515,322,865.17/101,230.85
  6. Step 6: Final answer
    x = 84,117.86

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1.5x scale

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.