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Finding the Fourth Proportional to 116,556.66, 160,847.96 and 65,569.44

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Solution

The fourth proportional to 116,556.66, 160,847.96 and 65,569.44 is: 90,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,556.66 : 160,847.96 = 65,569.44 : x
  2. Step 2: Convert to fraction form
    116,556.66/160,847.96 = 65,569.44/x
  3. Step 3: Cross multiply
    116,556.66x = 160,847.96 × 65,569.44
  4. Step 4: Simplify right side
    116,556.66x = 10,546,710,662.34
  5. Step 5: Solve for x
    x = 10,546,710,662.34/116,556.66
  6. Step 6: Final answer
    x = 90,485.70

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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.