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Finding the Fourth Proportional to 122,022.60, 183,033.90 and 116,838.60

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Solution

The fourth proportional to 122,022.60, 183,033.90 and 116,838.60 is: 175,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,022.60 : 183,033.90 = 116,838.60 : x
  2. Step 2: Convert to fraction form
    122,022.60/183,033.90 = 116,838.60/x
  3. Step 3: Cross multiply
    122,022.60x = 183,033.90 × 116,838.60
  4. Step 4: Simplify right side
    122,022.60x = 21,385,424,628.54
  5. Step 5: Solve for x
    x = 21,385,424,628.54/122,022.60
  6. Step 6: Final answer
    x = 175,257.90

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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.