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Finding the Fourth Proportional to 192,790.92, 266,052.80 and 112,265.40

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Solution

The fourth proportional to 192,790.92, 266,052.80 and 112,265.40 is: 154,927.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,790.92 : 266,052.80 = 112,265.40 : x
  2. Step 2: Convert to fraction form
    192,790.92/266,052.80 = 112,265.40/x
  3. Step 3: Cross multiply
    192,790.92x = 266,052.80 × 112,265.40
  4. Step 4: Simplify right side
    192,790.92x = 29,868,524,013.12
  5. Step 5: Solve for x
    x = 29,868,524,013.12/192,790.92
  6. Step 6: Final answer
    x = 154,927.03

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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.