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Finding the Fourth Proportional to 360,662.41, 541,117.95 and 161,120.53

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Solution

The fourth proportional to 360,662.41, 541,117.95 and 161,120.53 is: 241,736.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,662.41 : 541,117.95 = 161,120.53 : x
  2. Step 2: Convert to fraction form
    360,662.41/541,117.95 = 161,120.53/x
  3. Step 3: Cross multiply
    360,662.41x = 541,117.95 × 161,120.53
  4. Step 4: Simplify right side
    360,662.41x = 87,185,210,896.51
  5. Step 5: Solve for x
    x = 87,185,210,896.51/360,662.41
  6. Step 6: Final answer
    x = 241,736.34

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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.