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Finding the Fourth Proportional to 163,224.48, 244,606.80 and 129,796.20

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Solution

The fourth proportional to 163,224.48, 244,606.80 and 129,796.20 is: 194,511.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,224.48 : 244,606.80 = 129,796.20 : x
  2. Step 2: Convert to fraction form
    163,224.48/244,606.80 = 129,796.20/x
  3. Step 3: Cross multiply
    163,224.48x = 244,606.80 × 129,796.20
  4. Step 4: Simplify right side
    163,224.48x = 31,749,033,134.16
  5. Step 5: Solve for x
    x = 31,749,033,134.16/163,224.48
  6. Step 6: Final answer
    x = 194,511.47

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1.5x scale

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.