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Finding the Fourth Proportional to 73,915.35, 110,848.73 and 27,162.15

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Solution

The fourth proportional to 73,915.35, 110,848.73 and 27,162.15 is: 40,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,915.35 : 110,848.73 = 27,162.15 : x
  2. Step 2: Convert to fraction form
    73,915.35/110,848.73 = 27,162.15/x
  3. Step 3: Cross multiply
    73,915.35x = 110,848.73 × 27,162.15
  4. Step 4: Simplify right side
    73,915.35x = 3,010,889,695.76
  5. Step 5: Solve for x
    x = 3,010,889,695.76/73,915.35
  6. Step 6: Final answer
    x = 40,734.30

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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.