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Finding the Fourth Proportional to 170,745.88, 256,148.88 and 58,399.72

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Solution

The fourth proportional to 170,745.88, 256,148.88 and 58,399.72 is: 87,609.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,745.88 : 256,148.88 = 58,399.72 : x
  2. Step 2: Convert to fraction form
    170,745.88/256,148.88 = 58,399.72/x
  3. Step 3: Cross multiply
    170,745.88x = 256,148.88 × 58,399.72
  4. Step 4: Simplify right side
    170,745.88x = 14,959,022,870.31
  5. Step 5: Solve for x
    x = 14,959,022,870.31/170,745.88
  6. Step 6: Final answer
    x = 87,609.86

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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.