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Finding the Fourth Proportional to 118,007.17, 177,072.21 and 46,914.62

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Solution

The fourth proportional to 118,007.17, 177,072.21 and 46,914.62 is: 70,396.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,007.17 : 177,072.21 = 46,914.62 : x
  2. Step 2: Convert to fraction form
    118,007.17/177,072.21 = 46,914.62/x
  3. Step 3: Cross multiply
    118,007.17x = 177,072.21 × 46,914.62
  4. Step 4: Simplify right side
    118,007.17x = 8,307,274,559.35
  5. Step 5: Solve for x
    x = 8,307,274,559.35/118,007.17
  6. Step 6: Final answer
    x = 70,396.36

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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.