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Finding the Fourth Proportional to 183,490.60, 275,408.70 and 113,506.60

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Solution

The fourth proportional to 183,490.60, 275,408.70 and 113,506.60 is: 170,366.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,490.60 : 275,408.70 = 113,506.60 : x
  2. Step 2: Convert to fraction form
    183,490.60/275,408.70 = 113,506.60/x
  3. Step 3: Cross multiply
    183,490.60x = 275,408.70 × 113,506.60
  4. Step 4: Simplify right side
    183,490.60x = 31,260,705,147.42
  5. Step 5: Solve for x
    x = 31,260,705,147.42/183,490.60
  6. Step 6: Final answer
    x = 170,366.79

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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.