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Finding the Fourth Proportional to 119,648.03, 165,117.80 and 65,936.52

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Solution

The fourth proportional to 119,648.03, 165,117.80 and 65,936.52 is: 90,994.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,648.03 : 165,117.80 = 65,936.52 : x
  2. Step 2: Convert to fraction form
    119,648.03/165,117.80 = 65,936.52/x
  3. Step 3: Cross multiply
    119,648.03x = 165,117.80 × 65,936.52
  4. Step 4: Simplify right side
    119,648.03x = 10,887,292,792.37
  5. Step 5: Solve for x
    x = 10,887,292,792.37/119,648.03
  6. Step 6: Final answer
    x = 90,994.34

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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.