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Finding the Fourth Proportional to 118,045.24, 162,896.34 and 67,741

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Solution

The fourth proportional to 118,045.24, 162,896.34 and 67,741 is: 93,479.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,045.24 : 162,896.34 = 67,741 : x
  2. Step 2: Convert to fraction form
    118,045.24/162,896.34 = 67,741/x
  3. Step 3: Cross multiply
    118,045.24x = 162,896.34 × 67,741
  4. Step 4: Simplify right side
    118,045.24x = 11,034,760,967.94
  5. Step 5: Solve for x
    x = 11,034,760,967.94/118,045.24
  6. Step 6: Final answer
    x = 93,479.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.