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Finding the Fourth Proportional to 108,751.76, 163,100.64 and 29,862.08

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Solution

The fourth proportional to 108,751.76, 163,100.64 and 29,862.08 is: 44,785.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,751.76 : 163,100.64 = 29,862.08 : x
  2. Step 2: Convert to fraction form
    108,751.76/163,100.64 = 29,862.08/x
  3. Step 3: Cross multiply
    108,751.76x = 163,100.64 × 29,862.08
  4. Step 4: Simplify right side
    108,751.76x = 4,870,524,359.73
  5. Step 5: Solve for x
    x = 4,870,524,359.73/108,751.76
  6. Step 6: Final answer
    x = 44,785.71

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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.