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Finding the Fourth Proportional to 108,927.34, 163,391.13 and 34,047.88

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Solution

The fourth proportional to 108,927.34, 163,391.13 and 34,047.88 is: 51,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,927.34 : 163,391.13 = 34,047.88 : x
  2. Step 2: Convert to fraction form
    108,927.34/163,391.13 = 34,047.88/x
  3. Step 3: Cross multiply
    108,927.34x = 163,391.13 × 34,047.88
  4. Step 4: Simplify right side
    108,927.34x = 5,563,121,178.83
  5. Step 5: Solve for x
    x = 5,563,121,178.83/108,927.34
  6. Step 6: Final answer
    x = 51,071.85

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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.