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Finding the Fourth Proportional to 139,323.79, 192,325.67 and 94,063.06

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Solution

The fourth proportional to 139,323.79, 192,325.67 and 94,063.06 is: 129,846.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,323.79 : 192,325.67 = 94,063.06 : x
  2. Step 2: Convert to fraction form
    139,323.79/192,325.67 = 94,063.06/x
  3. Step 3: Cross multiply
    139,323.79x = 192,325.67 × 94,063.06
  4. Step 4: Simplify right side
    139,323.79x = 18,090,741,036.75
  5. Step 5: Solve for x
    x = 18,090,741,036.75/139,323.79
  6. Step 6: Final answer
    x = 129,846.75

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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.