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Finding the Fourth Proportional to 204,351.15, 282,000.15 and 118,313.76

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Solution

The fourth proportional to 204,351.15, 282,000.15 and 118,313.76 is: 163,270.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,351.15 : 282,000.15 = 118,313.76 : x
  2. Step 2: Convert to fraction form
    204,351.15/282,000.15 = 118,313.76/x
  3. Step 3: Cross multiply
    204,351.15x = 282,000.15 × 118,313.76
  4. Step 4: Simplify right side
    204,351.15x = 33,364,498,067.06
  5. Step 5: Solve for x
    x = 33,364,498,067.06/204,351.15
  6. Step 6: Final answer
    x = 163,270.42

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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.