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Finding the Fourth Proportional to 186,461.66, 279,936.41 and 110,698.52

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Solution

The fourth proportional to 186,461.66, 279,936.41 and 110,698.52 is: 166,192.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,461.66 : 279,936.41 = 110,698.52 : x
  2. Step 2: Convert to fraction form
    186,461.66/279,936.41 = 110,698.52/x
  3. Step 3: Cross multiply
    186,461.66x = 279,936.41 × 110,698.52
  4. Step 4: Simplify right side
    186,461.66x = 30,988,544,327.94
  5. Step 5: Solve for x
    x = 30,988,544,327.94/186,461.66
  6. Step 6: Final answer
    x = 166,192.58

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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.