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Finding the Fourth Proportional to 150,349.96, 207,480.60 and 82,366.36

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Solution

The fourth proportional to 150,349.96, 207,480.60 and 82,366.36 is: 113,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,349.96 : 207,480.60 = 82,366.36 : x
  2. Step 2: Convert to fraction form
    150,349.96/207,480.60 = 82,366.36/x
  3. Step 3: Cross multiply
    150,349.96x = 207,480.60 × 82,366.36
  4. Step 4: Simplify right side
    150,349.96x = 17,089,421,792.62
  5. Step 5: Solve for x
    x = 17,089,421,792.62/150,349.96
  6. Step 6: Final answer
    x = 113,664.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.