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Finding the Fourth Proportional to 192,070, 265,059 and 111,500.92

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Solution

The fourth proportional to 192,070, 265,059 and 111,500.92 is: 153,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,070 : 265,059 = 111,500.92 : x
  2. Step 2: Convert to fraction form
    192,070/265,059 = 111,500.92/x
  3. Step 3: Cross multiply
    192,070x = 265,059 × 111,500.92
  4. Step 4: Simplify right side
    192,070x = 29,554,322,354.28
  5. Step 5: Solve for x
    x = 29,554,322,354.28/192,070
  6. Step 6: Final answer
    x = 153,872.66

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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.