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Finding the Fourth Proportional to 88,745.61, 122,467.32 and 48,458.28

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Solution

The fourth proportional to 88,745.61, 122,467.32 and 48,458.28 is: 66,871.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,745.61 : 122,467.32 = 48,458.28 : x
  2. Step 2: Convert to fraction form
    88,745.61/122,467.32 = 48,458.28/x
  3. Step 3: Cross multiply
    88,745.61x = 122,467.32 × 48,458.28
  4. Step 4: Simplify right side
    88,745.61x = 5,934,555,683.41
  5. Step 5: Solve for x
    x = 5,934,555,683.41/88,745.61
  6. Step 6: Final answer
    x = 66,871.54

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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.