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Finding the Fourth Proportional to 108,950.32, 150,355.32 and 61,202.62

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Solution

The fourth proportional to 108,950.32, 150,355.32 and 61,202.62 is: 84,461.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,950.32 : 150,355.32 = 61,202.62 : x
  2. Step 2: Convert to fraction form
    108,950.32/150,355.32 = 61,202.62/x
  3. Step 3: Cross multiply
    108,950.32x = 150,355.32 × 61,202.62
  4. Step 4: Simplify right side
    108,950.32x = 9,202,139,514.94
  5. Step 5: Solve for x
    x = 9,202,139,514.94/108,950.32
  6. Step 6: Final answer
    x = 84,461.79

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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.