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Finding the Fourth Proportional to 78,704.94, 118,022.57 and 22,532.25

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Solution

The fourth proportional to 78,704.94, 118,022.57 and 22,532.25 is: 33,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,704.94 : 118,022.57 = 22,532.25 : x
  2. Step 2: Convert to fraction form
    78,704.94/118,022.57 = 22,532.25/x
  3. Step 3: Cross multiply
    78,704.94x = 118,022.57 × 22,532.25
  4. Step 4: Simplify right side
    78,704.94x = 2,659,313,462.77
  5. Step 5: Solve for x
    x = 2,659,313,462.77/78,704.94
  6. Step 6: Final answer
    x = 33,788.40

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1.5x scale

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.