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Finding the Fourth Proportional to 163,173.21, 244,856.88 and 88,291.86

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Solution

The fourth proportional to 163,173.21, 244,856.88 and 88,291.86 is: 132,490.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,173.21 : 244,856.88 = 88,291.86 : x
  2. Step 2: Convert to fraction form
    163,173.21/244,856.88 = 88,291.86/x
  3. Step 3: Cross multiply
    163,173.21x = 244,856.88 × 88,291.86
  4. Step 4: Simplify right side
    163,173.21x = 21,618,869,369.00
  5. Step 5: Solve for x
    x = 21,618,869,369.00/163,173.21
  6. Step 6: Final answer
    x = 132,490.31

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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.