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Finding the Fourth Proportional to 163,050.80, 244,576.20 and 143,805.20

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Solution

The fourth proportional to 163,050.80, 244,576.20 and 143,805.20 is: 215,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,050.80 : 244,576.20 = 143,805.20 : x
  2. Step 2: Convert to fraction form
    163,050.80/244,576.20 = 143,805.20/x
  3. Step 3: Cross multiply
    163,050.80x = 244,576.20 × 143,805.20
  4. Step 4: Simplify right side
    163,050.80x = 35,171,329,356.24
  5. Step 5: Solve for x
    x = 35,171,329,356.24/163,050.80
  6. Step 6: Final answer
    x = 215,707.80

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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.