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Finding the Fourth Proportional to 215,975.59, 298,105.59 and 125,360.75

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Solution

The fourth proportional to 215,975.59, 298,105.59 and 125,360.75 is: 173,032.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,975.59 : 298,105.59 = 125,360.75 : x
  2. Step 2: Convert to fraction form
    215,975.59/298,105.59 = 125,360.75/x
  3. Step 3: Cross multiply
    215,975.59x = 298,105.59 × 125,360.75
  4. Step 4: Simplify right side
    215,975.59x = 37,370,738,537.66
  5. Step 5: Solve for x
    x = 37,370,738,537.66/215,975.59
  6. Step 6: Final answer
    x = 173,032.23

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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.