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Finding the Fourth Proportional to 301,833.78, 452,841.21 and 121,826.60

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Solution

The fourth proportional to 301,833.78, 452,841.21 and 121,826.60 is: 182,776.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,833.78 : 452,841.21 = 121,826.60 : x
  2. Step 2: Convert to fraction form
    301,833.78/452,841.21 = 121,826.60/x
  3. Step 3: Cross multiply
    301,833.78x = 452,841.21 × 121,826.60
  4. Step 4: Simplify right side
    301,833.78x = 55,168,102,689.98
  5. Step 5: Solve for x
    x = 55,168,102,689.98/301,833.78
  6. Step 6: Final answer
    x = 182,776.44

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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.