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Finding the Fourth Proportional to 146,513.28, 202,188.44 and 79,445.28

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Solution

The fourth proportional to 146,513.28, 202,188.44 and 79,445.28 is: 109,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,513.28 : 202,188.44 = 79,445.28 : x
  2. Step 2: Convert to fraction form
    146,513.28/202,188.44 = 79,445.28/x
  3. Step 3: Cross multiply
    146,513.28x = 202,188.44 × 79,445.28
  4. Step 4: Simplify right side
    146,513.28x = 16,062,917,228.56
  5. Step 5: Solve for x
    x = 16,062,917,228.56/146,513.28
  6. Step 6: Final answer
    x = 109,634.55

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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.