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Finding the Fourth Proportional to 220,329.50, 304,057.14 and 119,727.50

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Solution

The fourth proportional to 220,329.50, 304,057.14 and 119,727.50 is: 165,225.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,329.50 : 304,057.14 = 119,727.50 : x
  2. Step 2: Convert to fraction form
    220,329.50/304,057.14 = 119,727.50/x
  3. Step 3: Cross multiply
    220,329.50x = 304,057.14 × 119,727.50
  4. Step 4: Simplify right side
    220,329.50x = 36,404,001,229.35
  5. Step 5: Solve for x
    x = 36,404,001,229.35/220,329.50
  6. Step 6: Final answer
    x = 165,225.27

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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.