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Finding the Fourth Proportional to 238,765.58, 358,161.14 and 61,274.12

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Solution

The fourth proportional to 238,765.58, 358,161.14 and 61,274.12 is: 91,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,765.58 : 358,161.14 = 61,274.12 : x
  2. Step 2: Convert to fraction form
    238,765.58/358,161.14 = 61,274.12/x
  3. Step 3: Cross multiply
    238,765.58x = 358,161.14 × 61,274.12
  4. Step 4: Simplify right side
    238,765.58x = 21,946,008,671.70
  5. Step 5: Solve for x
    x = 21,946,008,671.70/238,765.58
  6. Step 6: Final answer
    x = 91,914.46

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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.