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Finding the Fourth Proportional to 118,996.70, 178,400.33 and 58,982.94

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Solution

The fourth proportional to 118,996.70, 178,400.33 and 58,982.94 is: 88,427.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,996.70 : 178,400.33 = 58,982.94 : x
  2. Step 2: Convert to fraction form
    118,996.70/178,400.33 = 58,982.94/x
  3. Step 3: Cross multiply
    118,996.70x = 178,400.33 × 58,982.94
  4. Step 4: Simplify right side
    118,996.70x = 10,522,575,960.37
  5. Step 5: Solve for x
    x = 10,522,575,960.37/118,996.70
  6. Step 6: Final answer
    x = 88,427.46

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1.5x scale

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.