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Finding the Fourth Proportional to 251,239.35, 346,706.37 and 138,059.67

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Solution

The fourth proportional to 251,239.35, 346,706.37 and 138,059.67 is: 190,520.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,239.35 : 346,706.37 = 138,059.67 : x
  2. Step 2: Convert to fraction form
    251,239.35/346,706.37 = 138,059.67/x
  3. Step 3: Cross multiply
    251,239.35x = 346,706.37 × 138,059.67
  4. Step 4: Simplify right side
    251,239.35x = 47,866,167,029.10
  5. Step 5: Solve for x
    x = 47,866,167,029.10/251,239.35
  6. Step 6: Final answer
    x = 190,520.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.