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Finding the Fourth Proportional to 224,443.72, 336,607.98 and 66,635.56

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Solution

The fourth proportional to 224,443.72, 336,607.98 and 66,635.56 is: 99,936.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,443.72 : 336,607.98 = 66,635.56 : x
  2. Step 2: Convert to fraction form
    224,443.72/336,607.98 = 66,635.56/x
  3. Step 3: Cross multiply
    224,443.72x = 336,607.98 × 66,635.56
  4. Step 4: Simplify right side
    224,443.72x = 22,430,061,247.77
  5. Step 5: Solve for x
    x = 22,430,061,247.77/224,443.72
  6. Step 6: Final answer
    x = 99,936.24

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1.5x scale

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.