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Finding the Fourth Proportional to 220,329.56, 304,056.72 and 119,727.56

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Solution

The fourth proportional to 220,329.56, 304,056.72 and 119,727.56 is: 165,225.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,329.56 : 304,056.72 = 119,727.56 : x
  2. Step 2: Convert to fraction form
    220,329.56/304,056.72 = 119,727.56/x
  3. Step 3: Cross multiply
    220,329.56x = 304,056.72 × 119,727.56
  4. Step 4: Simplify right side
    220,329.56x = 36,403,969,947.35
  5. Step 5: Solve for x
    x = 36,403,969,947.35/220,329.56
  6. Step 6: Final answer
    x = 165,225.08

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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.