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Finding the Fourth Proportional to 281,590.37, 422,334.53 and 113,103.89

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Solution

The fourth proportional to 281,590.37, 422,334.53 and 113,103.89 is: 169,635.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,590.37 : 422,334.53 = 113,103.89 : x
  2. Step 2: Convert to fraction form
    281,590.37/422,334.53 = 113,103.89/x
  3. Step 3: Cross multiply
    281,590.37x = 422,334.53 × 113,103.89
  4. Step 4: Simplify right side
    281,590.37x = 47,767,678,224.32
  5. Step 5: Solve for x
    x = 47,767,678,224.32/281,590.37
  6. Step 6: Final answer
    x = 169,635.34

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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.