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Finding the Fourth Proportional to 118,156, 177,235.44 and 30,604

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Solution

The fourth proportional to 118,156, 177,235.44 and 30,604 is: 45,906.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,156 : 177,235.44 = 30,604 : x
  2. Step 2: Convert to fraction form
    118,156/177,235.44 = 30,604/x
  3. Step 3: Cross multiply
    118,156x = 177,235.44 × 30,604
  4. Step 4: Simplify right side
    118,156x = 5,424,113,405.76
  5. Step 5: Solve for x
    x = 5,424,113,405.76/118,156
  6. Step 6: Final answer
    x = 45,906.37

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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.