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Finding the Fourth Proportional to 116,556.10, 160,843.44 and 65,569.84

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Solution

The fourth proportional to 116,556.10, 160,843.44 and 65,569.84 is: 90,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,556.10 : 160,843.44 = 65,569.84 : x
  2. Step 2: Convert to fraction form
    116,556.10/160,843.44 = 65,569.84/x
  3. Step 3: Cross multiply
    116,556.10x = 160,843.44 × 65,569.84
  4. Step 4: Simplify right side
    116,556.10x = 10,546,478,625.85
  5. Step 5: Solve for x
    x = 10,546,478,625.85/116,556.10
  6. Step 6: Final answer
    x = 90,484.14

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1.5x scale

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.