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Finding the Fourth Proportional to 348,771.98, 523,526.61 and 161,963.66

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Solution

The fourth proportional to 348,771.98, 523,526.61 and 161,963.66 is: 243,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,771.98 : 523,526.61 = 161,963.66 : x
  2. Step 2: Convert to fraction form
    348,771.98/523,526.61 = 161,963.66/x
  3. Step 3: Cross multiply
    348,771.98x = 523,526.61 × 161,963.66
  4. Step 4: Simplify right side
    348,771.98x = 84,792,285,862.99
  5. Step 5: Solve for x
    x = 84,792,285,862.99/348,771.98
  6. Step 6: Final answer
    x = 243,116.68

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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.