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Finding the Fourth Proportional to 106,955.53, 147,600.37 and 58,556.64

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Solution

The fourth proportional to 106,955.53, 147,600.37 and 58,556.64 is: 80,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,955.53 : 147,600.37 = 58,556.64 : x
  2. Step 2: Convert to fraction form
    106,955.53/147,600.37 = 58,556.64/x
  3. Step 3: Cross multiply
    106,955.53x = 147,600.37 × 58,556.64
  4. Step 4: Simplify right side
    106,955.53x = 8,642,981,583.57
  5. Step 5: Solve for x
    x = 8,642,981,583.57/106,955.53
  6. Step 6: Final answer
    x = 80,809.12

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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.