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Finding the Fourth Proportional to 163,402.16, 244,826.45 and 100,089.88

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Solution

The fourth proportional to 163,402.16, 244,826.45 and 100,089.88 is: 149,965.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,402.16 : 244,826.45 = 100,089.88 : x
  2. Step 2: Convert to fraction form
    163,402.16/244,826.45 = 100,089.88/x
  3. Step 3: Cross multiply
    163,402.16x = 244,826.45 × 100,089.88
  4. Step 4: Simplify right side
    163,402.16x = 24,504,649,264.15
  5. Step 5: Solve for x
    x = 24,504,649,264.15/163,402.16
  6. Step 6: Final answer
    x = 149,965.27

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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.