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Finding the Fourth Proportional to 114,447.60, 171,325.80 and 100,623.60

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Solution

The fourth proportional to 114,447.60, 171,325.80 and 100,623.60 is: 150,631.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,447.60 : 171,325.80 = 100,623.60 : x
  2. Step 2: Convert to fraction form
    114,447.60/171,325.80 = 100,623.60/x
  3. Step 3: Cross multiply
    114,447.60x = 171,325.80 × 100,623.60
  4. Step 4: Simplify right side
    114,447.60x = 17,239,418,768.88
  5. Step 5: Solve for x
    x = 17,239,418,768.88/114,447.60
  6. Step 6: Final answer
    x = 150,631.54

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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.