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Finding the Fourth Proportional to 220,182.96, 330,273.76 and 62,412.72

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Solution

The fourth proportional to 220,182.96, 330,273.76 and 62,412.72 is: 93,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,182.96 : 330,273.76 = 62,412.72 : x
  2. Step 2: Convert to fraction form
    220,182.96/330,273.76 = 62,412.72/x
  3. Step 3: Cross multiply
    220,182.96x = 330,273.76 × 62,412.72
  4. Step 4: Simplify right side
    220,182.96x = 20,613,283,706.23
  5. Step 5: Solve for x
    x = 20,613,283,706.23/220,182.96
  6. Step 6: Final answer
    x = 93,618.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.