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Finding the Fourth Proportional to 139,197.68, 192,096.50 and 75,535.52

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Solution

The fourth proportional to 139,197.68, 192,096.50 and 75,535.52 is: 104,241.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,197.68 : 192,096.50 = 75,535.52 : x
  2. Step 2: Convert to fraction form
    139,197.68/192,096.50 = 75,535.52/x
  3. Step 3: Cross multiply
    139,197.68x = 192,096.50 × 75,535.52
  4. Step 4: Simplify right side
    139,197.68x = 14,510,109,017.68
  5. Step 5: Solve for x
    x = 14,510,109,017.68/139,197.68
  6. Step 6: Final answer
    x = 104,241.03

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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.