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Finding the Fourth Proportional to 351,499.69, 527,339.44 and 102,181.69

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Solution

The fourth proportional to 351,499.69, 527,339.44 and 102,181.69 is: 153,298.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,499.69 : 527,339.44 = 102,181.69 : x
  2. Step 2: Convert to fraction form
    351,499.69/527,339.44 = 102,181.69/x
  3. Step 3: Cross multiply
    351,499.69x = 527,339.44 × 102,181.69
  4. Step 4: Simplify right side
    351,499.69x = 53,884,433,992.23
  5. Step 5: Solve for x
    x = 53,884,433,992.23/351,499.69
  6. Step 6: Final answer
    x = 153,298.67

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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.