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Finding the Fourth Proportional to 86,181.36, 118,941.62 and 48,462.88

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Solution

The fourth proportional to 86,181.36, 118,941.62 and 48,462.88 is: 66,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,181.36 : 118,941.62 = 48,462.88 : x
  2. Step 2: Convert to fraction form
    86,181.36/118,941.62 = 48,462.88/x
  3. Step 3: Cross multiply
    86,181.36x = 118,941.62 × 48,462.88
  4. Step 4: Simplify right side
    86,181.36x = 5,764,253,457.07
  5. Step 5: Solve for x
    x = 5,764,253,457.07/86,181.36
  6. Step 6: Final answer
    x = 66,885.15

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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.