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Finding the Fourth Proportional to 161,240.33, 241,862.51 and 42,910.94

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Solution

The fourth proportional to 161,240.33, 241,862.51 and 42,910.94 is: 64,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,240.33 : 241,862.51 = 42,910.94 : x
  2. Step 2: Convert to fraction form
    161,240.33/241,862.51 = 42,910.94/x
  3. Step 3: Cross multiply
    161,240.33x = 241,862.51 × 42,910.94
  4. Step 4: Simplify right side
    161,240.33x = 10,378,546,552.82
  5. Step 5: Solve for x
    x = 10,378,546,552.82/161,240.33
  6. Step 6: Final answer
    x = 64,366.94

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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.