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Finding the Fourth Proportional to 81,846.94, 112,949.40 and 46,036.66

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Solution

The fourth proportional to 81,846.94, 112,949.40 and 46,036.66 is: 63,530.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,846.94 : 112,949.40 = 46,036.66 : x
  2. Step 2: Convert to fraction form
    81,846.94/112,949.40 = 46,036.66/x
  3. Step 3: Cross multiply
    81,846.94x = 112,949.40 × 46,036.66
  4. Step 4: Simplify right side
    81,846.94x = 5,199,813,125.00
  5. Step 5: Solve for x
    x = 5,199,813,125.00/81,846.94
  6. Step 6: Final answer
    x = 63,530.94

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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.