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Finding the Fourth Proportional to 223,558.60, 335,337.90 and 57,346.60

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Solution

The fourth proportional to 223,558.60, 335,337.90 and 57,346.60 is: 86,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,558.60 : 335,337.90 = 57,346.60 : x
  2. Step 2: Convert to fraction form
    223,558.60/335,337.90 = 57,346.60/x
  3. Step 3: Cross multiply
    223,558.60x = 335,337.90 × 57,346.60
  4. Step 4: Simplify right side
    223,558.60x = 19,230,488,416.14
  5. Step 5: Solve for x
    x = 19,230,488,416.14/223,558.60
  6. Step 6: Final answer
    x = 86,019.90

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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.