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Finding the Fourth Proportional to 223,749.56, 335,587.63 and 61,605.79

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Solution

The fourth proportional to 223,749.56, 335,587.63 and 61,605.79 is: 92,398.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,749.56 : 335,587.63 = 61,605.79 : x
  2. Step 2: Convert to fraction form
    223,749.56/335,587.63 = 61,605.79/x
  3. Step 3: Cross multiply
    223,749.56x = 335,587.63 × 61,605.79
  4. Step 4: Simplify right side
    223,749.56x = 20,674,141,060.38
  5. Step 5: Solve for x
    x = 20,674,141,060.38/223,749.56
  6. Step 6: Final answer
    x = 92,398.58

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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.