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Finding the Fourth Proportional to 353,033.01, 529,251.87 and 153,202.86

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Solution

The fourth proportional to 353,033.01, 529,251.87 and 153,202.86 is: 229,675.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,033.01 : 529,251.87 = 153,202.86 : x
  2. Step 2: Convert to fraction form
    353,033.01/529,251.87 = 153,202.86/x
  3. Step 3: Cross multiply
    353,033.01x = 529,251.87 × 153,202.86
  4. Step 4: Simplify right side
    353,033.01x = 81,082,900,144.35
  5. Step 5: Solve for x
    x = 81,082,900,144.35/353,033.01
  6. Step 6: Final answer
    x = 229,675.12

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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.