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Finding the Fourth Proportional to 85,160.72, 127,741.07 and 32,586.32

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Solution

The fourth proportional to 85,160.72, 127,741.07 and 32,586.32 is: 48,879.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,160.72 : 127,741.07 = 32,586.32 : x
  2. Step 2: Convert to fraction form
    85,160.72/127,741.07 = 32,586.32/x
  3. Step 3: Cross multiply
    85,160.72x = 127,741.07 × 32,586.32
  4. Step 4: Simplify right side
    85,160.72x = 4,162,610,826.92
  5. Step 5: Solve for x
    x = 4,162,610,826.92/85,160.72
  6. Step 6: Final answer
    x = 48,879.47

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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.