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Finding the Fourth Proportional to 192,399.60, 265,510.68 and 107,516.64

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Solution

The fourth proportional to 192,399.60, 265,510.68 and 107,516.64 is: 148,372.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,399.60 : 265,510.68 = 107,516.64 : x
  2. Step 2: Convert to fraction form
    192,399.60/265,510.68 = 107,516.64/x
  3. Step 3: Cross multiply
    192,399.60x = 265,510.68 × 107,516.64
  4. Step 4: Simplify right side
    192,399.60x = 28,546,816,197.72
  5. Step 5: Solve for x
    x = 28,546,816,197.72/192,399.60
  6. Step 6: Final answer
    x = 148,372.53

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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.