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Finding the Fourth Proportional to 150,662.40, 207,849.60 and 94,099.20

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Solution

The fourth proportional to 150,662.40, 207,849.60 and 94,099.20 is: 129,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,662.40 : 207,849.60 = 94,099.20 : x
  2. Step 2: Convert to fraction form
    150,662.40/207,849.60 = 94,099.20/x
  3. Step 3: Cross multiply
    150,662.40x = 207,849.60 × 94,099.20
  4. Step 4: Simplify right side
    150,662.40x = 19,558,481,080.32
  5. Step 5: Solve for x
    x = 19,558,481,080.32/150,662.40
  6. Step 6: Final answer
    x = 129,816.60

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1.5x scale

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.