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Finding the Fourth Proportional to 106,955.67, 147,600.57 and 58,556.79

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Solution

The fourth proportional to 106,955.67, 147,600.57 and 58,556.79 is: 80,809.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,955.67 : 147,600.57 = 58,556.79 : x
  2. Step 2: Convert to fraction form
    106,955.67/147,600.57 = 58,556.79/x
  3. Step 3: Cross multiply
    106,955.67x = 147,600.57 × 58,556.79
  4. Step 4: Simplify right side
    106,955.67x = 8,643,015,581.37
  5. Step 5: Solve for x
    x = 8,643,015,581.37/106,955.67
  6. Step 6: Final answer
    x = 80,809.33

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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.