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Finding the Fourth Proportional to 301,055.01, 415,452.49 and 173,727.87

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Solution

The fourth proportional to 301,055.01, 415,452.49 and 173,727.87 is: 239,742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,055.01 : 415,452.49 = 173,727.87 : x
  2. Step 2: Convert to fraction form
    301,055.01/415,452.49 = 173,727.87/x
  3. Step 3: Cross multiply
    301,055.01x = 415,452.49 × 173,727.87
  4. Step 4: Simplify right side
    301,055.01x = 72,175,675,305.26
  5. Step 5: Solve for x
    x = 72,175,675,305.26/301,055.01
  6. Step 6: Final answer
    x = 239,742.48

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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.