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Finding the Fourth Proportional to 106,574.63, 147,074.21 and 58,828.01

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Solution

The fourth proportional to 106,574.63, 147,074.21 and 58,828.01 is: 81,183.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,574.63 : 147,074.21 = 58,828.01 : x
  2. Step 2: Convert to fraction form
    106,574.63/147,074.21 = 58,828.01/x
  3. Step 3: Cross multiply
    106,574.63x = 147,074.21 × 58,828.01
  4. Step 4: Simplify right side
    106,574.63x = 8,652,083,096.62
  5. Step 5: Solve for x
    x = 8,652,083,096.62/106,574.63
  6. Step 6: Final answer
    x = 81,183.33

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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.