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Finding the Fourth Proportional to 167,838.40, 251,757.60 and 161,277.40

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Solution

The fourth proportional to 167,838.40, 251,757.60 and 161,277.40 is: 241,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,838.40 : 251,757.60 = 161,277.40 : x
  2. Step 2: Convert to fraction form
    167,838.40/251,757.60 = 161,277.40/x
  3. Step 3: Cross multiply
    167,838.40x = 251,757.60 × 161,277.40
  4. Step 4: Simplify right side
    167,838.40x = 40,602,811,158.24
  5. Step 5: Solve for x
    x = 40,602,811,158.24/167,838.40
  6. Step 6: Final answer
    x = 241,916.10

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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.