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Finding the Fourth Proportional to 203,280.60, 304,512.66 and 114,400.92

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Solution

The fourth proportional to 203,280.60, 304,512.66 and 114,400.92 is: 171,371.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,280.60 : 304,512.66 = 114,400.92 : x
  2. Step 2: Convert to fraction form
    203,280.60/304,512.66 = 114,400.92/x
  3. Step 3: Cross multiply
    203,280.60x = 304,512.66 × 114,400.92
  4. Step 4: Simplify right side
    203,280.60x = 34,836,528,455.65
  5. Step 5: Solve for x
    x = 34,836,528,455.65/203,280.60
  6. Step 6: Final answer
    x = 171,371.63

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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.