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Finding the Fourth Proportional to 118,230.30, 177,345.45 and 116,286.30

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Solution

The fourth proportional to 118,230.30, 177,345.45 and 116,286.30 is: 174,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,230.30 : 177,345.45 = 116,286.30 : x
  2. Step 2: Convert to fraction form
    118,230.30/177,345.45 = 116,286.30/x
  3. Step 3: Cross multiply
    118,230.30x = 177,345.45 × 116,286.30
  4. Step 4: Simplify right side
    118,230.30x = 20,622,846,202.34
  5. Step 5: Solve for x
    x = 20,622,846,202.34/118,230.30
  6. Step 6: Final answer
    x = 174,429.45

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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.