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Finding the Fourth Proportional to 238,706, 358,073.40 and 72,495.44

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Solution

The fourth proportional to 238,706, 358,073.40 and 72,495.44 is: 108,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,706 : 358,073.40 = 72,495.44 : x
  2. Step 2: Convert to fraction form
    238,706/358,073.40 = 72,495.44/x
  3. Step 3: Cross multiply
    238,706x = 358,073.40 × 72,495.44
  4. Step 4: Simplify right side
    238,706x = 25,958,688,685.30
  5. Step 5: Solve for x
    x = 25,958,688,685.30/238,706
  6. Step 6: Final answer
    x = 108,747.53

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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.