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Finding the Fourth Proportional to 171,935.70, 257,903.55 and 162,750.30

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Solution

The fourth proportional to 171,935.70, 257,903.55 and 162,750.30 is: 244,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,935.70 : 257,903.55 = 162,750.30 : x
  2. Step 2: Convert to fraction form
    171,935.70/257,903.55 = 162,750.30/x
  3. Step 3: Cross multiply
    171,935.70x = 257,903.55 × 162,750.30
  4. Step 4: Simplify right side
    171,935.70x = 41,973,880,133.57
  5. Step 5: Solve for x
    x = 41,973,880,133.57/171,935.70
  6. Step 6: Final answer
    x = 244,125.45

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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.