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Finding the Fourth Proportional to 139,499.96, 192,244.49 and 101,193.44

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Solution

The fourth proportional to 139,499.96, 192,244.49 and 101,193.44 is: 139,454.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,499.96 : 192,244.49 = 101,193.44 : x
  2. Step 2: Convert to fraction form
    139,499.96/192,244.49 = 101,193.44/x
  3. Step 3: Cross multiply
    139,499.96x = 192,244.49 × 101,193.44
  4. Step 4: Simplify right side
    139,499.96x = 19,453,880,758.18
  5. Step 5: Solve for x
    x = 19,453,880,758.18/139,499.96
  6. Step 6: Final answer
    x = 139,454.38

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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.