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Finding the Fourth Proportional to 73,656.58, 101,638.20 and 49,452.64

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Solution

The fourth proportional to 73,656.58, 101,638.20 and 49,452.64 is: 68,239.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,656.58 : 101,638.20 = 49,452.64 : x
  2. Step 2: Convert to fraction form
    73,656.58/101,638.20 = 49,452.64/x
  3. Step 3: Cross multiply
    73,656.58x = 101,638.20 × 49,452.64
  4. Step 4: Simplify right side
    73,656.58x = 5,026,277,314.85
  5. Step 5: Solve for x
    x = 5,026,277,314.85/73,656.58
  6. Step 6: Final answer
    x = 68,239.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.