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Finding the Fourth Proportional to 161,454.80, 241,721.40 and 143,022.80

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Solution

The fourth proportional to 161,454.80, 241,721.40 and 143,022.80 is: 214,126.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,454.80 : 241,721.40 = 143,022.80 : x
  2. Step 2: Convert to fraction form
    161,454.80/241,721.40 = 143,022.80/x
  3. Step 3: Cross multiply
    161,454.80x = 241,721.40 × 143,022.80
  4. Step 4: Simplify right side
    161,454.80x = 34,571,671,447.92
  5. Step 5: Solve for x
    x = 34,571,671,447.92/161,454.80
  6. Step 6: Final answer
    x = 214,126.01

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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.