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Finding the Fourth Proportional to 255,984.08, 383,950.18 and 69,014.48

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Solution

The fourth proportional to 255,984.08, 383,950.18 and 69,014.48 is: 103,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,984.08 : 383,950.18 = 69,014.48 : x
  2. Step 2: Convert to fraction form
    255,984.08/383,950.18 = 69,014.48/x
  3. Step 3: Cross multiply
    255,984.08x = 383,950.18 × 69,014.48
  4. Step 4: Simplify right side
    255,984.08x = 26,498,122,018.61
  5. Step 5: Solve for x
    x = 26,498,122,018.61/255,984.08
  6. Step 6: Final answer
    x = 103,514.73

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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.