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Finding the Fourth Proportional to 468,321.18, 702,481.80 and 113,335.23

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Solution

The fourth proportional to 468,321.18, 702,481.80 and 113,335.23 is: 170,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,321.18 : 702,481.80 = 113,335.23 : x
  2. Step 2: Convert to fraction form
    468,321.18/702,481.80 = 113,335.23/x
  3. Step 3: Cross multiply
    468,321.18x = 702,481.80 × 113,335.23
  4. Step 4: Simplify right side
    468,321.18x = 79,615,936,373.81
  5. Step 5: Solve for x
    x = 79,615,936,373.81/468,321.18
  6. Step 6: Final answer
    x = 170,002.85

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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.