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Finding the Fourth Proportional to 71,893.54, 99,184.80 and 48,035.80

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Solution

The fourth proportional to 71,893.54, 99,184.80 and 48,035.80 is: 66,270.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,893.54 : 99,184.80 = 48,035.80 : x
  2. Step 2: Convert to fraction form
    71,893.54/99,184.80 = 48,035.80/x
  3. Step 3: Cross multiply
    71,893.54x = 99,184.80 × 48,035.80
  4. Step 4: Simplify right side
    71,893.54x = 4,764,421,215.84
  5. Step 5: Solve for x
    x = 4,764,421,215.84/71,893.54
  6. Step 6: Final answer
    x = 66,270.51

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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.