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Finding the Fourth Proportional to 118,503.90, 177,729.81 and 34,245.74

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Solution

The fourth proportional to 118,503.90, 177,729.81 and 34,245.74 is: 51,361.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,503.90 : 177,729.81 = 34,245.74 : x
  2. Step 2: Convert to fraction form
    118,503.90/177,729.81 = 34,245.74/x
  3. Step 3: Cross multiply
    118,503.90x = 177,729.81 × 34,245.74
  4. Step 4: Simplify right side
    118,503.90x = 6,086,488,863.51
  5. Step 5: Solve for x
    x = 6,086,488,863.51/118,503.90
  6. Step 6: Final answer
    x = 51,361.08

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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.