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Finding the Fourth Proportional to 443,737.16, 665,605.72 and 106,777.85

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Solution

The fourth proportional to 443,737.16, 665,605.72 and 106,777.85 is: 160,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,737.16 : 665,605.72 = 106,777.85 : x
  2. Step 2: Convert to fraction form
    443,737.16/665,605.72 = 106,777.85/x
  3. Step 3: Cross multiply
    443,737.16x = 665,605.72 × 106,777.85
  4. Step 4: Simplify right side
    443,737.16x = 71,071,948,478.99
  5. Step 5: Solve for x
    x = 71,071,948,478.99/443,737.16
  6. Step 6: Final answer
    x = 160,166.77

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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.