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Finding the Fourth Proportional to 114,611.60, 171,917.40 and 94,912.40

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Solution

The fourth proportional to 114,611.60, 171,917.40 and 94,912.40 is: 142,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,611.60 : 171,917.40 = 94,912.40 : x
  2. Step 2: Convert to fraction form
    114,611.60/171,917.40 = 94,912.40/x
  3. Step 3: Cross multiply
    114,611.60x = 171,917.40 × 94,912.40
  4. Step 4: Simplify right side
    114,611.60x = 16,317,093,035.76
  5. Step 5: Solve for x
    x = 16,317,093,035.76/114,611.60
  6. Step 6: Final answer
    x = 142,368.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.