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Finding the Fourth Proportional to 118,266.76, 177,246.12 and 48,064

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Solution

The fourth proportional to 118,266.76, 177,246.12 and 48,064 is: 72,033.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,266.76 : 177,246.12 = 48,064 : x
  2. Step 2: Convert to fraction form
    118,266.76/177,246.12 = 48,064/x
  3. Step 3: Cross multiply
    118,266.76x = 177,246.12 × 48,064
  4. Step 4: Simplify right side
    118,266.76x = 8,519,157,511.68
  5. Step 5: Solve for x
    x = 8,519,157,511.68/118,266.76
  6. Step 6: Final answer
    x = 72,033.41

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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.