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Finding the Fourth Proportional to 162,668.54, 244,022.49 and 57,465.98

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Solution

The fourth proportional to 162,668.54, 244,022.49 and 57,465.98 is: 86,205.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,668.54 : 244,022.49 = 57,465.98 : x
  2. Step 2: Convert to fraction form
    162,668.54/244,022.49 = 57,465.98/x
  3. Step 3: Cross multiply
    162,668.54x = 244,022.49 × 57,465.98
  4. Step 4: Simplify right side
    162,668.54x = 14,022,991,529.89
  5. Step 5: Solve for x
    x = 14,022,991,529.89/162,668.54
  6. Step 6: Final answer
    x = 86,205.92

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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.