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Finding the Fourth Proportional to 251,493.81, 377,235.24 and 118,300.24

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Solution

The fourth proportional to 251,493.81, 377,235.24 and 118,300.24 is: 177,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,493.81 : 377,235.24 = 118,300.24 : x
  2. Step 2: Convert to fraction form
    251,493.81/377,235.24 = 118,300.24/x
  3. Step 3: Cross multiply
    251,493.81x = 377,235.24 × 118,300.24
  4. Step 4: Simplify right side
    251,493.81x = 44,627,019,428.46
  5. Step 5: Solve for x
    x = 44,627,019,428.46/251,493.81
  6. Step 6: Final answer
    x = 177,447.78

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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.