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Finding the Fourth Proportional to 216,249.48, 298,406.52 and 125,576.64

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Solution

The fourth proportional to 216,249.48, 298,406.52 and 125,576.64 is: 173,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,249.48 : 298,406.52 = 125,576.64 : x
  2. Step 2: Convert to fraction form
    216,249.48/298,406.52 = 125,576.64/x
  3. Step 3: Cross multiply
    216,249.48x = 298,406.52 × 125,576.64
  4. Step 4: Simplify right side
    216,249.48x = 37,472,888,135.69
  5. Step 5: Solve for x
    x = 37,472,888,135.69/216,249.48
  6. Step 6: Final answer
    x = 173,285.45

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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.