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Finding the Fourth Proportional to 355,902.98, 533,744.60 and 103,202.10

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Solution

The fourth proportional to 355,902.98, 533,744.60 and 103,202.10 is: 154,771.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,902.98 : 533,744.60 = 103,202.10 : x
  2. Step 2: Convert to fraction form
    355,902.98/533,744.60 = 103,202.10/x
  3. Step 3: Cross multiply
    355,902.98x = 533,744.60 × 103,202.10
  4. Step 4: Simplify right side
    355,902.98x = 55,083,563,583.66
  5. Step 5: Solve for x
    x = 55,083,563,583.66/355,902.98
  6. Step 6: Final answer
    x = 154,771.29

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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.