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Finding the Fourth Proportional to 152,963.12, 210,972.12 and 134,067.44

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Solution

The fourth proportional to 152,963.12, 210,972.12 and 134,067.44 is: 184,910.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,963.12 : 210,972.12 = 134,067.44 : x
  2. Step 2: Convert to fraction form
    152,963.12/210,972.12 = 134,067.44/x
  3. Step 3: Cross multiply
    152,963.12x = 210,972.12 × 134,067.44
  4. Step 4: Simplify right side
    152,963.12x = 28,284,492,039.77
  5. Step 5: Solve for x
    x = 28,284,492,039.77/152,963.12
  6. Step 6: Final answer
    x = 184,910.53

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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.