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Finding the Fourth Proportional to 108,771.72, 163,126.22 and 29,888.52

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Solution

The fourth proportional to 108,771.72, 163,126.22 and 29,888.52 is: 44,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,771.72 : 163,126.22 = 29,888.52 : x
  2. Step 2: Convert to fraction form
    108,771.72/163,126.22 = 29,888.52/x
  3. Step 3: Cross multiply
    108,771.72x = 163,126.22 × 29,888.52
  4. Step 4: Simplify right side
    108,771.72x = 4,875,601,288.99
  5. Step 5: Solve for x
    x = 4,875,601,288.99/108,771.72
  6. Step 6: Final answer
    x = 44,824.16

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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.