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Finding the Fourth Proportional to 119,650.99, 165,119.48 and 65,937.94

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Solution

The fourth proportional to 119,650.99, 165,119.48 and 65,937.94 is: 90,994.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,650.99 : 165,119.48 = 65,937.94 : x
  2. Step 2: Convert to fraction form
    119,650.99/165,119.48 = 65,937.94/x
  3. Step 3: Cross multiply
    119,650.99x = 165,119.48 × 65,937.94
  4. Step 4: Simplify right side
    119,650.99x = 10,887,638,365.07
  5. Step 5: Solve for x
    x = 10,887,638,365.07/119,650.99
  6. Step 6: Final answer
    x = 90,994.97

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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.