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Finding the Fourth Proportional to 111,034.80, 166,552.20 and 98,787.60

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Solution

The fourth proportional to 111,034.80, 166,552.20 and 98,787.60 is: 148,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,034.80 : 166,552.20 = 98,787.60 : x
  2. Step 2: Convert to fraction form
    111,034.80/166,552.20 = 98,787.60/x
  3. Step 3: Cross multiply
    111,034.80x = 166,552.20 × 98,787.60
  4. Step 4: Simplify right side
    111,034.80x = 16,453,292,112.72
  5. Step 5: Solve for x
    x = 16,453,292,112.72/111,034.80
  6. Step 6: Final answer
    x = 148,181.40

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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.