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Finding the Fourth Proportional to 119,658.08, 165,129.27 and 65,945.06

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Solution

The fourth proportional to 119,658.08, 165,129.27 and 65,945.06 is: 91,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,658.08 : 165,129.27 = 65,945.06 : x
  2. Step 2: Convert to fraction form
    119,658.08/165,129.27 = 65,945.06/x
  3. Step 3: Cross multiply
    119,658.08x = 165,129.27 × 65,945.06
  4. Step 4: Simplify right side
    119,658.08x = 10,889,458,792.26
  5. Step 5: Solve for x
    x = 10,889,458,792.26/119,658.08
  6. Step 6: Final answer
    x = 91,004.80

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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.