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Finding the Fourth Proportional to 251,782.44, 377,130 and 118,462.92

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Solution

The fourth proportional to 251,782.44, 377,130 and 118,462.92 is: 177,438.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,782.44 : 377,130 = 118,462.92 : x
  2. Step 2: Convert to fraction form
    251,782.44/377,130 = 118,462.92/x
  3. Step 3: Cross multiply
    251,782.44x = 377,130 × 118,462.92
  4. Step 4: Simplify right side
    251,782.44x = 44,675,921,019.60
  5. Step 5: Solve for x
    x = 44,675,921,019.60/251,782.44
  6. Step 6: Final answer
    x = 177,438.59

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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.