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Finding the Fourth Proportional to 104,055.81, 156,090.56 and 36,579.66

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Solution

The fourth proportional to 104,055.81, 156,090.56 and 36,579.66 is: 54,871.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,055.81 : 156,090.56 = 36,579.66 : x
  2. Step 2: Convert to fraction form
    104,055.81/156,090.56 = 36,579.66/x
  3. Step 3: Cross multiply
    104,055.81x = 156,090.56 × 36,579.66
  4. Step 4: Simplify right side
    104,055.81x = 5,709,739,431.11
  5. Step 5: Solve for x
    x = 5,709,739,431.11/104,055.81
  6. Step 6: Final answer
    x = 54,871.89

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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.