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Finding the Fourth Proportional to 301,051.89, 415,487.48 and 173,724.75

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Solution

The fourth proportional to 301,051.89, 415,487.48 and 173,724.75 is: 239,760.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,051.89 : 415,487.48 = 173,724.75 : x
  2. Step 2: Convert to fraction form
    301,051.89/415,487.48 = 173,724.75/x
  3. Step 3: Cross multiply
    301,051.89x = 415,487.48 × 173,724.75
  4. Step 4: Simplify right side
    301,051.89x = 72,180,457,722.51
  5. Step 5: Solve for x
    x = 72,180,457,722.51/301,051.89
  6. Step 6: Final answer
    x = 239,760.85

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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.