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Finding the Fourth Proportional to 114,273.60, 171,410.40 and 65,121.60

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Solution

The fourth proportional to 114,273.60, 171,410.40 and 65,121.60 is: 97,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,273.60 : 171,410.40 = 65,121.60 : x
  2. Step 2: Convert to fraction form
    114,273.60/171,410.40 = 65,121.60/x
  3. Step 3: Cross multiply
    114,273.60x = 171,410.40 × 65,121.60
  4. Step 4: Simplify right side
    114,273.60x = 11,162,519,504.64
  5. Step 5: Solve for x
    x = 11,162,519,504.64/114,273.60
  6. Step 6: Final answer
    x = 97,682.40

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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.