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Finding the Fourth Proportional to 180,201.51, 248,410.40 and 154,584.45

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Solution

The fourth proportional to 180,201.51, 248,410.40 and 154,584.45 is: 213,096.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,201.51 : 248,410.40 = 154,584.45 : x
  2. Step 2: Convert to fraction form
    180,201.51/248,410.40 = 154,584.45/x
  3. Step 3: Cross multiply
    180,201.51x = 248,410.40 × 154,584.45
  4. Step 4: Simplify right side
    180,201.51x = 38,400,384,285.36
  5. Step 5: Solve for x
    x = 38,400,384,285.36/180,201.51
  6. Step 6: Final answer
    x = 213,096.91

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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.