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Finding the Fourth Proportional to 152,625.26, 210,633.48 and 84,648.44

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Solution

The fourth proportional to 152,625.26, 210,633.48 and 84,648.44 is: 116,820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,625.26 : 210,633.48 = 84,648.44 : x
  2. Step 2: Convert to fraction form
    152,625.26/210,633.48 = 84,648.44/x
  3. Step 3: Cross multiply
    152,625.26x = 210,633.48 × 84,648.44
  4. Step 4: Simplify right side
    152,625.26x = 17,829,795,493.77
  5. Step 5: Solve for x
    x = 17,829,795,493.77/152,625.26
  6. Step 6: Final answer
    x = 116,820.74

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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.