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Finding the Fourth Proportional to 73,860.46, 110,790.69 and 46,836.31

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Solution

The fourth proportional to 73,860.46, 110,790.69 and 46,836.31 is: 70,254.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,860.46 : 110,790.69 = 46,836.31 : x
  2. Step 2: Convert to fraction form
    73,860.46/110,790.69 = 46,836.31/x
  3. Step 3: Cross multiply
    73,860.46x = 110,790.69 × 46,836.31
  4. Step 4: Simplify right side
    73,860.46x = 5,189,027,324.47
  5. Step 5: Solve for x
    x = 5,189,027,324.47/73,860.46
  6. Step 6: Final answer
    x = 70,254.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.