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Finding the Fourth Proportional to 344,901.66, 517,178.54 and 104,969.54

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Solution

The fourth proportional to 344,901.66, 517,178.54 and 104,969.54 is: 157,401.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,901.66 : 517,178.54 = 104,969.54 : x
  2. Step 2: Convert to fraction form
    344,901.66/517,178.54 = 104,969.54/x
  3. Step 3: Cross multiply
    344,901.66x = 517,178.54 × 104,969.54
  4. Step 4: Simplify right side
    344,901.66x = 54,287,990,330.93
  5. Step 5: Solve for x
    x = 54,287,990,330.93/344,901.66
  6. Step 6: Final answer
    x = 157,401.36

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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.