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Finding the Fourth Proportional to 281,866.26, 422,235.54 and 169,484.52

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Solution

The fourth proportional to 281,866.26, 422,235.54 and 169,484.52 is: 253,887.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,866.26 : 422,235.54 = 169,484.52 : x
  2. Step 2: Convert to fraction form
    281,866.26/422,235.54 = 169,484.52/x
  3. Step 3: Cross multiply
    281,866.26x = 422,235.54 × 169,484.52
  4. Step 4: Simplify right side
    281,866.26x = 71,562,387,823.84
  5. Step 5: Solve for x
    x = 71,562,387,823.84/281,866.26
  6. Step 6: Final answer
    x = 253,887.74

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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.