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Finding the Fourth Proportional to 73,271.89, 109,915.85 and 23,340.25

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Solution

The fourth proportional to 73,271.89, 109,915.85 and 23,340.25 is: 35,012.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,271.89 : 109,915.85 = 23,340.25 : x
  2. Step 2: Convert to fraction form
    73,271.89/109,915.85 = 23,340.25/x
  3. Step 3: Cross multiply
    73,271.89x = 109,915.85 × 23,340.25
  4. Step 4: Simplify right side
    73,271.89x = 2,565,463,417.96
  5. Step 5: Solve for x
    x = 2,565,463,417.96/73,271.89
  6. Step 6: Final answer
    x = 35,012.93

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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.