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Finding the Fourth Proportional to 313,188, 432,209.04 and 184,102.80

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Solution

The fourth proportional to 313,188, 432,209.04 and 184,102.80 is: 254,067.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,188 : 432,209.04 = 184,102.80 : x
  2. Step 2: Convert to fraction form
    313,188/432,209.04 = 184,102.80/x
  3. Step 3: Cross multiply
    313,188x = 432,209.04 × 184,102.80
  4. Step 4: Simplify right side
    313,188x = 79,570,894,449.31
  5. Step 5: Solve for x
    x = 79,570,894,449.31/313,188
  6. Step 6: Final answer
    x = 254,067.51

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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.