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Finding the Fourth Proportional to 224,868.98, 336,521.01 and 139,439.90

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Solution

The fourth proportional to 224,868.98, 336,521.01 and 139,439.90 is: 208,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,868.98 : 336,521.01 = 139,439.90 : x
  2. Step 2: Convert to fraction form
    224,868.98/336,521.01 = 139,439.90/x
  3. Step 3: Cross multiply
    224,868.98x = 336,521.01 × 139,439.90
  4. Step 4: Simplify right side
    224,868.98x = 46,924,455,982.30
  5. Step 5: Solve for x
    x = 46,924,455,982.30/224,868.98
  6. Step 6: Final answer
    x = 208,674.65

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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.