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Finding the Fourth Proportional to 194,762.34, 292,175.80 and 68,369.80

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Solution

The fourth proportional to 194,762.34, 292,175.80 and 68,369.80 is: 102,566.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,762.34 : 292,175.80 = 68,369.80 : x
  2. Step 2: Convert to fraction form
    194,762.34/292,175.80 = 68,369.80/x
  3. Step 3: Cross multiply
    194,762.34x = 292,175.80 × 68,369.80
  4. Step 4: Simplify right side
    194,762.34x = 19,976,001,010.84
  5. Step 5: Solve for x
    x = 19,976,001,010.84/194,762.34
  6. Step 6: Final answer
    x = 102,566.04

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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.