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Finding the Fourth Proportional to 86,704.82, 119,652.30 and 48,464.33

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Solution

The fourth proportional to 86,704.82, 119,652.30 and 48,464.33 is: 66,880.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,704.82 : 119,652.30 = 48,464.33 : x
  2. Step 2: Convert to fraction form
    86,704.82/119,652.30 = 48,464.33/x
  3. Step 3: Cross multiply
    86,704.82x = 119,652.30 × 48,464.33
  4. Step 4: Simplify right side
    86,704.82x = 5,798,868,552.46
  5. Step 5: Solve for x
    x = 5,798,868,552.46/86,704.82
  6. Step 6: Final answer
    x = 66,880.58

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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.