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Finding the Fourth Proportional to 109,071.44, 163,694.66 and 56,495.96

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Solution

The fourth proportional to 109,071.44, 163,694.66 and 56,495.96 is: 84,789.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,071.44 : 163,694.66 = 56,495.96 : x
  2. Step 2: Convert to fraction form
    109,071.44/163,694.66 = 56,495.96/x
  3. Step 3: Cross multiply
    109,071.44x = 163,694.66 × 56,495.96
  4. Step 4: Simplify right side
    109,071.44x = 9,248,086,963.57
  5. Step 5: Solve for x
    x = 9,248,086,963.57/109,071.44
  6. Step 6: Final answer
    x = 84,789.26

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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.