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Finding the Fourth Proportional to 146,727.50, 202,483.96 and 79,659.50

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Solution

The fourth proportional to 146,727.50, 202,483.96 and 79,659.50 is: 109,930.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,727.50 : 202,483.96 = 79,659.50 : x
  2. Step 2: Convert to fraction form
    146,727.50/202,483.96 = 79,659.50/x
  3. Step 3: Cross multiply
    146,727.50x = 202,483.96 × 79,659.50
  4. Step 4: Simplify right side
    146,727.50x = 16,129,771,011.62
  5. Step 5: Solve for x
    x = 16,129,771,011.62/146,727.50
  6. Step 6: Final answer
    x = 109,930.12

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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.