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Finding the Fourth Proportional to 67,968.99, 93,807.42 and 48,911.85

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Solution

The fourth proportional to 67,968.99, 93,807.42 and 48,911.85 is: 67,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,968.99 : 93,807.42 = 48,911.85 : x
  2. Step 2: Convert to fraction form
    67,968.99/93,807.42 = 48,911.85/x
  3. Step 3: Cross multiply
    67,968.99x = 93,807.42 × 48,911.85
  4. Step 4: Simplify right side
    67,968.99x = 4,588,294,455.93
  5. Step 5: Solve for x
    x = 4,588,294,455.93/67,968.99
  6. Step 6: Final answer
    x = 67,505.70

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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.