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Finding the Fourth Proportional to 86,122.32, 118,850.16 and 48,396.56

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Solution

The fourth proportional to 86,122.32, 118,850.16 and 48,396.56 is: 66,788.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,122.32 : 118,850.16 = 48,396.56 : x
  2. Step 2: Convert to fraction form
    86,122.32/118,850.16 = 48,396.56/x
  3. Step 3: Cross multiply
    86,122.32x = 118,850.16 × 48,396.56
  4. Step 4: Simplify right side
    86,122.32x = 5,751,938,899.45
  5. Step 5: Solve for x
    x = 5,751,938,899.45/86,122.32
  6. Step 6: Final answer
    x = 66,788.02

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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.