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Finding the Fourth Proportional to 147,792.02, 203,879.92 and 87,333.42

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Solution

The fourth proportional to 147,792.02, 203,879.92 and 87,333.42 is: 120,476.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,792.02 : 203,879.92 = 87,333.42 : x
  2. Step 2: Convert to fraction form
    147,792.02/203,879.92 = 87,333.42/x
  3. Step 3: Cross multiply
    147,792.02x = 203,879.92 × 87,333.42
  4. Step 4: Simplify right side
    147,792.02x = 17,805,530,246.26
  5. Step 5: Solve for x
    x = 17,805,530,246.26/147,792.02
  6. Step 6: Final answer
    x = 120,476.94

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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.