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Finding the Fourth Proportional to 149,662.41, 223,170.42 and 148,328.34

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Solution

The fourth proportional to 149,662.41, 223,170.42 and 148,328.34 is: 221,181.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,662.41 : 223,170.42 = 148,328.34 : x
  2. Step 2: Convert to fraction form
    149,662.41/223,170.42 = 148,328.34/x
  3. Step 3: Cross multiply
    149,662.41x = 223,170.42 × 148,328.34
  4. Step 4: Simplify right side
    149,662.41x = 33,102,497,935.70
  5. Step 5: Solve for x
    x = 33,102,497,935.70/149,662.41
  6. Step 6: Final answer
    x = 221,181.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.