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Finding the Fourth Proportional to 224,072.55, 309,216.11 and 122,098.89

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Solution

The fourth proportional to 224,072.55, 309,216.11 and 122,098.89 is: 168,494.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,072.55 : 309,216.11 = 122,098.89 : x
  2. Step 2: Convert to fraction form
    224,072.55/309,216.11 = 122,098.89/x
  3. Step 3: Cross multiply
    224,072.55x = 309,216.11 × 122,098.89
  4. Step 4: Simplify right side
    224,072.55x = 37,754,943,190.62
  5. Step 5: Solve for x
    x = 37,754,943,190.62/224,072.55
  6. Step 6: Final answer
    x = 168,494.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.