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Finding the Fourth Proportional to 78,798, 118,216.44 and 23,394

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Solution

The fourth proportional to 78,798, 118,216.44 and 23,394 is: 35,096.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,798 : 118,216.44 = 23,394 : x
  2. Step 2: Convert to fraction form
    78,798/118,216.44 = 23,394/x
  3. Step 3: Cross multiply
    78,798x = 118,216.44 × 23,394
  4. Step 4: Simplify right side
    78,798x = 2,765,555,397.36
  5. Step 5: Solve for x
    x = 2,765,555,397.36/78,798
  6. Step 6: Final answer
    x = 35,096.77

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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.