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Finding the Fourth Proportional to 163,052.20, 244,578.30 and 157,147.30

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Solution

The fourth proportional to 163,052.20, 244,578.30 and 157,147.30 is: 235,720.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,052.20 : 244,578.30 = 157,147.30 : x
  2. Step 2: Convert to fraction form
    163,052.20/244,578.30 = 157,147.30/x
  3. Step 3: Cross multiply
    163,052.20x = 244,578.30 × 157,147.30
  4. Step 4: Simplify right side
    163,052.20x = 38,434,819,483.59
  5. Step 5: Solve for x
    x = 38,434,819,483.59/163,052.20
  6. Step 6: Final answer
    x = 235,720.95

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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.