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Finding the Fourth Proportional to 121,356, 182,064.72 and 33,804

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Solution

The fourth proportional to 121,356, 182,064.72 and 33,804 is: 50,714.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,356 : 182,064.72 = 33,804 : x
  2. Step 2: Convert to fraction form
    121,356/182,064.72 = 33,804/x
  3. Step 3: Cross multiply
    121,356x = 182,064.72 × 33,804
  4. Step 4: Simplify right side
    121,356x = 6,154,515,794.88
  5. Step 5: Solve for x
    x = 6,154,515,794.88/121,356
  6. Step 6: Final answer
    x = 50,714.56

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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.