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Finding the Fourth Proportional to 184,039.79, 275,948.15 and 120,045.74

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Solution

The fourth proportional to 184,039.79, 275,948.15 and 120,045.74 is: 179,995.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,039.79 : 275,948.15 = 120,045.74 : x
  2. Step 2: Convert to fraction form
    184,039.79/275,948.15 = 120,045.74/x
  3. Step 3: Cross multiply
    184,039.79x = 275,948.15 × 120,045.74
  4. Step 4: Simplify right side
    184,039.79x = 33,126,397,888.41
  5. Step 5: Solve for x
    x = 33,126,397,888.41/184,039.79
  6. Step 6: Final answer
    x = 179,995.85

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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.