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Finding the Fourth Proportional to 167,653.35, 251,511.12 and 55,341.39

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Solution

The fourth proportional to 167,653.35, 251,511.12 and 55,341.39 is: 83,022.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,653.35 : 251,511.12 = 55,341.39 : x
  2. Step 2: Convert to fraction form
    167,653.35/251,511.12 = 55,341.39/x
  3. Step 3: Cross multiply
    167,653.35x = 251,511.12 × 55,341.39
  4. Step 4: Simplify right side
    167,653.35x = 13,918,974,981.26
  5. Step 5: Solve for x
    x = 13,918,974,981.26/167,653.35
  6. Step 6: Final answer
    x = 83,022.35

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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.