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Finding the Fourth Proportional to 216,841.83, 325,123.97 and 104,297.94

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Solution

The fourth proportional to 216,841.83, 325,123.97 and 104,297.94 is: 156,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,841.83 : 325,123.97 = 104,297.94 : x
  2. Step 2: Convert to fraction form
    216,841.83/325,123.97 = 104,297.94/x
  3. Step 3: Cross multiply
    216,841.83x = 325,123.97 × 104,297.94
  4. Step 4: Simplify right side
    216,841.83x = 33,909,759,794.13
  5. Step 5: Solve for x
    x = 33,909,759,794.13/216,841.83
  6. Step 6: Final answer
    x = 156,380.16

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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.