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Finding the Fourth Proportional to 106,955.84, 147,600.81 and 58,556.96

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Solution

The fourth proportional to 106,955.84, 147,600.81 and 58,556.96 is: 80,809.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,955.84 : 147,600.81 = 58,556.96 : x
  2. Step 2: Convert to fraction form
    106,955.84/147,600.81 = 58,556.96/x
  3. Step 3: Cross multiply
    106,955.84x = 147,600.81 × 58,556.96
  4. Step 4: Simplify right side
    106,955.84x = 8,643,055,096.14
  5. Step 5: Solve for x
    x = 8,643,055,096.14/106,955.84
  6. Step 6: Final answer
    x = 80,809.57

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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.