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Finding the Fourth Proportional to 168,790.71, 253,211.19 and 62,166.46

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Solution

The fourth proportional to 168,790.71, 253,211.19 and 62,166.46 is: 93,258.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,790.71 : 253,211.19 = 62,166.46 : x
  2. Step 2: Convert to fraction form
    168,790.71/253,211.19 = 62,166.46/x
  3. Step 3: Cross multiply
    168,790.71x = 253,211.19 × 62,166.46
  4. Step 4: Simplify right side
    168,790.71x = 15,741,243,314.69
  5. Step 5: Solve for x
    x = 15,741,243,314.69/168,790.71
  6. Step 6: Final answer
    x = 93,258.94

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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.