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Finding the Fourth Proportional to 277,505.66, 416,003.34 and 99,969.26

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Solution

The fourth proportional to 277,505.66, 416,003.34 and 99,969.26 is: 149,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,505.66 : 416,003.34 = 99,969.26 : x
  2. Step 2: Convert to fraction form
    277,505.66/416,003.34 = 99,969.26/x
  3. Step 3: Cross multiply
    277,505.66x = 416,003.34 × 99,969.26
  4. Step 4: Simplify right side
    277,505.66x = 41,587,544,352.20
  5. Step 5: Solve for x
    x = 41,587,544,352.20/277,505.66
  6. Step 6: Final answer
    x = 149,861.97

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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.