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Finding the Fourth Proportional to 170,483.13, 255,697.10 and 80,525.69

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Solution

The fourth proportional to 170,483.13, 255,697.10 and 80,525.69 is: 120,775.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,483.13 : 255,697.10 = 80,525.69 : x
  2. Step 2: Convert to fraction form
    170,483.13/255,697.10 = 80,525.69/x
  3. Step 3: Cross multiply
    170,483.13x = 255,697.10 × 80,525.69
  4. Step 4: Simplify right side
    170,483.13x = 20,590,186,879.47
  5. Step 5: Solve for x
    x = 20,590,186,879.47/170,483.13
  6. Step 6: Final answer
    x = 120,775.51

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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.