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Finding the Fourth Proportional to 108,680.52, 163,045.26 and 38,559.72

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Solution

The fourth proportional to 108,680.52, 163,045.26 and 38,559.72 is: 57,848.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,680.52 : 163,045.26 = 38,559.72 : x
  2. Step 2: Convert to fraction form
    108,680.52/163,045.26 = 38,559.72/x
  3. Step 3: Cross multiply
    108,680.52x = 163,045.26 × 38,559.72
  4. Step 4: Simplify right side
    108,680.52x = 6,286,979,572.93
  5. Step 5: Solve for x
    x = 6,286,979,572.93/108,680.52
  6. Step 6: Final answer
    x = 57,848.27

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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.