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Finding the Fourth Proportional to 108,672.24, 163,023.60 and 102,696.24

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Solution

The fourth proportional to 108,672.24, 163,023.60 and 102,696.24 is: 154,058.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,672.24 : 163,023.60 = 102,696.24 : x
  2. Step 2: Convert to fraction form
    108,672.24/163,023.60 = 102,696.24/x
  3. Step 3: Cross multiply
    108,672.24x = 163,023.60 × 102,696.24
  4. Step 4: Simplify right side
    108,672.24x = 16,741,910,751.26
  5. Step 5: Solve for x
    x = 16,741,910,751.26/108,672.24
  6. Step 6: Final answer
    x = 154,058.76

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1.5x scale

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.