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Finding the Fourth Proportional to 238,866.78, 358,377.93 and 114,217.50

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Solution

The fourth proportional to 238,866.78, 358,377.93 and 114,217.50 is: 171,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,866.78 : 358,377.93 = 114,217.50 : x
  2. Step 2: Convert to fraction form
    238,866.78/358,377.93 = 114,217.50/x
  3. Step 3: Cross multiply
    238,866.78x = 358,377.93 × 114,217.50
  4. Step 4: Simplify right side
    238,866.78x = 40,933,031,219.78
  5. Step 5: Solve for x
    x = 40,933,031,219.78/238,866.78
  6. Step 6: Final answer
    x = 171,363.43

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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.