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Finding the Fourth Proportional to 184,661.76, 276,720.16 and 84,575.04

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Solution

The fourth proportional to 184,661.76, 276,720.16 and 84,575.04 is: 126,737.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,661.76 : 276,720.16 = 84,575.04 : x
  2. Step 2: Convert to fraction form
    184,661.76/276,720.16 = 84,575.04/x
  3. Step 3: Cross multiply
    184,661.76x = 276,720.16 × 84,575.04
  4. Step 4: Simplify right side
    184,661.76x = 23,403,618,600.81
  5. Step 5: Solve for x
    x = 23,403,618,600.81/184,661.76
  6. Step 6: Final answer
    x = 126,737.76

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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.