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Finding the Fourth Proportional to 220,316.92, 330,474.70 and 62,545.48

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Solution

The fourth proportional to 220,316.92, 330,474.70 and 62,545.48 is: 93,818.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,316.92 : 330,474.70 = 62,545.48 : x
  2. Step 2: Convert to fraction form
    220,316.92/330,474.70 = 62,545.48/x
  3. Step 3: Cross multiply
    220,316.92x = 330,474.70 × 62,545.48
  4. Step 4: Simplify right side
    220,316.92x = 20,669,698,739.36
  5. Step 5: Solve for x
    x = 20,669,698,739.36/220,316.92
  6. Step 6: Final answer
    x = 93,818.03

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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.