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Finding the Fourth Proportional to 197,854.52, 273,133.90 and 112,955.16

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Solution

The fourth proportional to 197,854.52, 273,133.90 and 112,955.16 is: 155,932.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,854.52 : 273,133.90 = 112,955.16 : x
  2. Step 2: Convert to fraction form
    197,854.52/273,133.90 = 112,955.16/x
  3. Step 3: Cross multiply
    197,854.52x = 273,133.90 × 112,955.16
  4. Step 4: Simplify right side
    197,854.52x = 30,851,883,375.92
  5. Step 5: Solve for x
    x = 30,851,883,375.92/197,854.52
  6. Step 6: Final answer
    x = 155,932.16

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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.