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Finding the Fourth Proportional to 163,083.20, 244,624.80 and 113,316.80

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Solution

The fourth proportional to 163,083.20, 244,624.80 and 113,316.80 is: 169,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,083.20 : 244,624.80 = 113,316.80 : x
  2. Step 2: Convert to fraction form
    163,083.20/244,624.80 = 113,316.80/x
  3. Step 3: Cross multiply
    163,083.20x = 244,624.80 × 113,316.80
  4. Step 4: Simplify right side
    163,083.20x = 27,720,099,536.64
  5. Step 5: Solve for x
    x = 27,720,099,536.64/163,083.20
  6. Step 6: Final answer
    x = 169,975.20

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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.