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Finding the Fourth Proportional to 116,556.08, 160,843.44 and 65,569.80

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Solution

The fourth proportional to 116,556.08, 160,843.44 and 65,569.80 is: 90,484.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,556.08 : 160,843.44 = 65,569.80 : x
  2. Step 2: Convert to fraction form
    116,556.08/160,843.44 = 65,569.80/x
  3. Step 3: Cross multiply
    116,556.08x = 160,843.44 × 65,569.80
  4. Step 4: Simplify right side
    116,556.08x = 10,546,472,192.11
  5. Step 5: Solve for x
    x = 10,546,472,192.11/116,556.08
  6. Step 6: Final answer
    x = 90,484.10

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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.