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Finding the Fourth Proportional to 224,037.34, 336,121.62 and 66,270

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Solution

The fourth proportional to 224,037.34, 336,121.62 and 66,270 is: 99,424.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,037.34 : 336,121.62 = 66,270 : x
  2. Step 2: Convert to fraction form
    224,037.34/336,121.62 = 66,270/x
  3. Step 3: Cross multiply
    224,037.34x = 336,121.62 × 66,270
  4. Step 4: Simplify right side
    224,037.34x = 22,274,779,757.40
  5. Step 5: Solve for x
    x = 22,274,779,757.40/224,037.34
  6. Step 6: Final answer
    x = 99,424.41

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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.