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Finding the Fourth Proportional to 184,538.80, 276,937.80 and 118,140.40

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Solution

The fourth proportional to 184,538.80, 276,937.80 and 118,140.40 is: 177,293.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,538.80 : 276,937.80 = 118,140.40 : x
  2. Step 2: Convert to fraction form
    184,538.80/276,937.80 = 118,140.40/x
  3. Step 3: Cross multiply
    184,538.80x = 276,937.80 × 118,140.40
  4. Step 4: Simplify right side
    184,538.80x = 32,717,542,467.12
  5. Step 5: Solve for x
    x = 32,717,542,467.12/184,538.80
  6. Step 6: Final answer
    x = 177,293.57

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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.