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Finding the Fourth Proportional to 184,536.80, 276,934.80 and 118,138.40

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Solution

The fourth proportional to 184,536.80, 276,934.80 and 118,138.40 is: 177,290.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,536.80 : 276,934.80 = 118,138.40 : x
  2. Step 2: Convert to fraction form
    184,536.80/276,934.80 = 118,138.40/x
  3. Step 3: Cross multiply
    184,536.80x = 276,934.80 × 118,138.40
  4. Step 4: Simplify right side
    184,536.80x = 32,716,634,176.32
  5. Step 5: Solve for x
    x = 32,716,634,176.32/184,536.80
  6. Step 6: Final answer
    x = 177,290.57

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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.