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Finding the Fourth Proportional to 86,194.80, 118,940.40 and 48,468.24

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Solution

The fourth proportional to 86,194.80, 118,940.40 and 48,468.24 is: 66,881.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,194.80 : 118,940.40 = 48,468.24 : x
  2. Step 2: Convert to fraction form
    86,194.80/118,940.40 = 48,468.24/x
  3. Step 3: Cross multiply
    86,194.80x = 118,940.40 × 48,468.24
  4. Step 4: Simplify right side
    86,194.80x = 5,764,831,852.90
  5. Step 5: Solve for x
    x = 5,764,831,852.90/86,194.80
  6. Step 6: Final answer
    x = 66,881.43

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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.