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Finding the Fourth Proportional to 81,849.29, 112,950.90 and 46,039.28

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Solution

The fourth proportional to 81,849.29, 112,950.90 and 46,039.28 is: 63,533.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,849.29 : 112,950.90 = 46,039.28 : x
  2. Step 2: Convert to fraction form
    81,849.29/112,950.90 = 46,039.28/x
  3. Step 3: Cross multiply
    81,849.29x = 112,950.90 × 46,039.28
  4. Step 4: Simplify right side
    81,849.29x = 5,200,177,546.60
  5. Step 5: Solve for x
    x = 5,200,177,546.60/81,849.29
  6. Step 6: Final answer
    x = 63,533.57

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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.