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Finding the Fourth Proportional to 255,290.22, 382,935.36 and 68,296.86

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Solution

The fourth proportional to 255,290.22, 382,935.36 and 68,296.86 is: 102,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,290.22 : 382,935.36 = 68,296.86 : x
  2. Step 2: Convert to fraction form
    255,290.22/382,935.36 = 68,296.86/x
  3. Step 3: Cross multiply
    255,290.22x = 382,935.36 × 68,296.86
  4. Step 4: Simplify right side
    255,290.22x = 26,153,282,670.97
  5. Step 5: Solve for x
    x = 26,153,282,670.97/255,290.22
  6. Step 6: Final answer
    x = 102,445.30

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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.