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Finding the Fourth Proportional to 113,864.96, 170,568.96 and 104,564.12

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Solution

The fourth proportional to 113,864.96, 170,568.96 and 104,564.12 is: 156,636.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,864.96 : 170,568.96 = 104,564.12 : x
  2. Step 2: Convert to fraction form
    113,864.96/170,568.96 = 104,564.12/x
  3. Step 3: Cross multiply
    113,864.96x = 170,568.96 × 104,564.12
  4. Step 4: Simplify right side
    113,864.96x = 17,835,393,201.72
  5. Step 5: Solve for x
    x = 17,835,393,201.72/113,864.96
  6. Step 6: Final answer
    x = 156,636.36

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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.