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Finding the Fourth Proportional to 236,431.80, 354,585.30 and 118,015.80

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Solution

The fourth proportional to 236,431.80, 354,585.30 and 118,015.80 is: 176,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,431.80 : 354,585.30 = 118,015.80 : x
  2. Step 2: Convert to fraction form
    236,431.80/354,585.30 = 118,015.80/x
  3. Step 3: Cross multiply
    236,431.80x = 354,585.30 × 118,015.80
  4. Step 4: Simplify right side
    236,431.80x = 41,846,667,847.74
  5. Step 5: Solve for x
    x = 41,846,667,847.74/236,431.80
  6. Step 6: Final answer
    x = 176,992.55

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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.