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Finding the Fourth Proportional to 254,522.98, 351,202.60 and 147,072.16

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Solution

The fourth proportional to 254,522.98, 351,202.60 and 147,072.16 is: 202,936.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,522.98 : 351,202.60 = 147,072.16 : x
  2. Step 2: Convert to fraction form
    254,522.98/351,202.60 = 147,072.16/x
  3. Step 3: Cross multiply
    254,522.98x = 351,202.60 × 147,072.16
  4. Step 4: Simplify right side
    254,522.98x = 51,652,124,979.62
  5. Step 5: Solve for x
    x = 51,652,124,979.62/254,522.98
  6. Step 6: Final answer
    x = 202,936.98

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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.