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Finding the Fourth Proportional to 237,662.40, 355,996.80 and 111,410.40

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Solution

The fourth proportional to 237,662.40, 355,996.80 and 111,410.40 is: 166,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,662.40 : 355,996.80 = 111,410.40 : x
  2. Step 2: Convert to fraction form
    237,662.40/355,996.80 = 111,410.40/x
  3. Step 3: Cross multiply
    237,662.40x = 355,996.80 × 111,410.40
  4. Step 4: Simplify right side
    237,662.40x = 39,661,745,886.72
  5. Step 5: Solve for x
    x = 39,661,745,886.72/237,662.40
  6. Step 6: Final answer
    x = 166,882.71

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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.