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Finding the Fourth Proportional to 223,489.56, 335,012.91 and 104,948.70

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Solution

The fourth proportional to 223,489.56, 335,012.91 and 104,948.70 is: 157,319.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,489.56 : 335,012.91 = 104,948.70 : x
  2. Step 2: Convert to fraction form
    223,489.56/335,012.91 = 104,948.70/x
  3. Step 3: Cross multiply
    223,489.56x = 335,012.91 × 104,948.70
  4. Step 4: Simplify right side
    223,489.56x = 35,159,169,387.72
  5. Step 5: Solve for x
    x = 35,159,169,387.72/223,489.56
  6. Step 6: Final answer
    x = 157,319.07

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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.