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Finding the Fourth Proportional to 238,871.52, 358,368.72 and 171,481.68

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Solution

The fourth proportional to 238,871.52, 358,368.72 and 171,481.68 is: 257,266.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,871.52 : 358,368.72 = 171,481.68 : x
  2. Step 2: Convert to fraction form
    238,871.52/358,368.72 = 171,481.68/x
  3. Step 3: Cross multiply
    238,871.52x = 358,368.72 × 171,481.68
  4. Step 4: Simplify right side
    238,871.52x = 61,453,670,165.05
  5. Step 5: Solve for x
    x = 61,453,670,165.05/238,871.52
  6. Step 6: Final answer
    x = 257,266.63

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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.