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Finding the Fourth Proportional to 73,271.96, 109,915.92 and 23,340.32

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Solution

The fourth proportional to 73,271.96, 109,915.92 and 23,340.32 is: 35,013.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,271.96 : 109,915.92 = 23,340.32 : x
  2. Step 2: Convert to fraction form
    73,271.96/109,915.92 = 23,340.32/x
  3. Step 3: Cross multiply
    73,271.96x = 109,915.92 × 23,340.32
  4. Step 4: Simplify right side
    73,271.96x = 2,565,472,745.89
  5. Step 5: Solve for x
    x = 2,565,472,745.89/73,271.96
  6. Step 6: Final answer
    x = 35,013.02

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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.