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Finding the Fourth Proportional to 223,080.78, 334,596.68 and 65,310.78

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Solution

The fourth proportional to 223,080.78, 334,596.68 and 65,310.78 is: 97,959.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,080.78 : 334,596.68 = 65,310.78 : x
  2. Step 2: Convert to fraction form
    223,080.78/334,596.68 = 65,310.78/x
  3. Step 3: Cross multiply
    223,080.78x = 334,596.68 × 65,310.78
  4. Step 4: Simplify right side
    223,080.78x = 21,852,770,156.21
  5. Step 5: Solve for x
    x = 21,852,770,156.21/223,080.78
  6. Step 6: Final answer
    x = 97,959.00

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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.