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Finding the Fourth Proportional to 343,415.89, 515,118.37 and 94,097.89

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Solution

The fourth proportional to 343,415.89, 515,118.37 and 94,097.89 is: 141,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,415.89 : 515,118.37 = 94,097.89 : x
  2. Step 2: Convert to fraction form
    343,415.89/515,118.37 = 94,097.89/x
  3. Step 3: Cross multiply
    343,415.89x = 515,118.37 × 94,097.89
  4. Step 4: Simplify right side
    343,415.89x = 48,471,551,717.24
  5. Step 5: Solve for x
    x = 48,471,551,717.24/343,415.89
  6. Step 6: Final answer
    x = 141,145.34

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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.