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Finding the Fourth Proportional to 223,016.89, 334,590.95 and 89,828.59

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Solution

The fourth proportional to 223,016.89, 334,590.95 and 89,828.59 is: 134,769.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,016.89 : 334,590.95 = 89,828.59 : x
  2. Step 2: Convert to fraction form
    223,016.89/334,590.95 = 89,828.59/x
  3. Step 3: Cross multiply
    223,016.89x = 334,590.95 × 89,828.59
  4. Step 4: Simplify right side
    223,016.89x = 30,055,833,265.26
  5. Step 5: Solve for x
    x = 30,055,833,265.26/223,016.89
  6. Step 6: Final answer
    x = 134,769.31

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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.