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Finding the Fourth Proportional to 340,799.94, 511,201.13 and 104,141.63

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Solution

The fourth proportional to 340,799.94, 511,201.13 and 104,141.63 is: 156,212.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,799.94 : 511,201.13 = 104,141.63 : x
  2. Step 2: Convert to fraction form
    340,799.94/511,201.13 = 104,141.63/x
  3. Step 3: Cross multiply
    340,799.94x = 511,201.13 × 104,141.63
  4. Step 4: Simplify right side
    340,799.94x = 53,237,319,693.34
  5. Step 5: Solve for x
    x = 53,237,319,693.34/340,799.94
  6. Step 6: Final answer
    x = 156,212.82

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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.