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Finding the Fourth Proportional to 113,920.54, 170,910 and 35,035.48

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Solution

The fourth proportional to 113,920.54, 170,910 and 35,035.48 is: 52,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,920.54 : 170,910 = 35,035.48 : x
  2. Step 2: Convert to fraction form
    113,920.54/170,910 = 35,035.48/x
  3. Step 3: Cross multiply
    113,920.54x = 170,910 × 35,035.48
  4. Step 4: Simplify right side
    113,920.54x = 5,987,913,886.80
  5. Step 5: Solve for x
    x = 5,987,913,886.80/113,920.54
  6. Step 6: Final answer
    x = 52,562.20

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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.