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Finding the Fourth Proportional to 224,266.32, 336,342.11 and 66,457.94

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Solution

The fourth proportional to 224,266.32, 336,342.11 and 66,457.94 is: 99,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,266.32 : 336,342.11 = 66,457.94 : x
  2. Step 2: Convert to fraction form
    224,266.32/336,342.11 = 66,457.94/x
  3. Step 3: Cross multiply
    224,266.32x = 336,342.11 × 66,457.94
  4. Step 4: Simplify right side
    224,266.32x = 22,352,601,751.85
  5. Step 5: Solve for x
    x = 22,352,601,751.85/224,266.32
  6. Step 6: Final answer
    x = 99,669.90

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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.