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Finding the Fourth Proportional to 110,778.63, 152,874.50 and 63,059.50

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Solution

The fourth proportional to 110,778.63, 152,874.50 and 63,059.50 is: 87,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,778.63 : 152,874.50 = 63,059.50 : x
  2. Step 2: Convert to fraction form
    110,778.63/152,874.50 = 63,059.50/x
  3. Step 3: Cross multiply
    110,778.63x = 152,874.50 × 63,059.50
  4. Step 4: Simplify right side
    110,778.63x = 9,640,189,532.75
  5. Step 5: Solve for x
    x = 9,640,189,532.75/110,778.63
  6. Step 6: Final answer
    x = 87,022.10

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Why These Related Problems?

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