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Finding the Fourth Proportional to 220,090.66, 330,136.01 and 114,885.02

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Solution

The fourth proportional to 220,090.66, 330,136.01 and 114,885.02 is: 172,327.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,090.66 : 330,136.01 = 114,885.02 : x
  2. Step 2: Convert to fraction form
    220,090.66/330,136.01 = 114,885.02/x
  3. Step 3: Cross multiply
    220,090.66x = 330,136.01 × 114,885.02
  4. Step 4: Simplify right side
    220,090.66x = 37,927,682,111.57
  5. Step 5: Solve for x
    x = 37,927,682,111.57/220,090.66
  6. Step 6: Final answer
    x = 172,327.54

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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.