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Finding the Fourth Proportional to 223,079.09, 334,618.62 and 65,307.54

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Solution

The fourth proportional to 223,079.09, 334,618.62 and 65,307.54 is: 97,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,079.09 : 334,618.62 = 65,307.54 : x
  2. Step 2: Convert to fraction form
    223,079.09/334,618.62 = 65,307.54/x
  3. Step 3: Cross multiply
    223,079.09x = 334,618.62 × 65,307.54
  4. Step 4: Simplify right side
    223,079.09x = 21,853,118,910.39
  5. Step 5: Solve for x
    x = 21,853,118,910.39/223,079.09
  6. Step 6: Final answer
    x = 97,961.31

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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.