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Finding the Fourth Proportional to 146,909.56, 202,735.08 and 79,841.56

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Solution

The fourth proportional to 146,909.56, 202,735.08 and 79,841.56 is: 110,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,909.56 : 202,735.08 = 79,841.56 : x
  2. Step 2: Convert to fraction form
    146,909.56/202,735.08 = 79,841.56/x
  3. Step 3: Cross multiply
    146,909.56x = 202,735.08 × 79,841.56
  4. Step 4: Simplify right side
    146,909.56x = 16,186,685,053.92
  5. Step 5: Solve for x
    x = 16,186,685,053.92/146,909.56
  6. Step 6: Final answer
    x = 110,181.29

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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.