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Finding the Fourth Proportional to 243,175.74, 364,514.20 and 93,375.70

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Solution

The fourth proportional to 243,175.74, 364,514.20 and 93,375.70 is: 139,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,175.74 : 364,514.20 = 93,375.70 : x
  2. Step 2: Convert to fraction form
    243,175.74/364,514.20 = 93,375.70/x
  3. Step 3: Cross multiply
    243,175.74x = 364,514.20 × 93,375.70
  4. Step 4: Simplify right side
    243,175.74x = 34,036,768,584.94
  5. Step 5: Solve for x
    x = 34,036,768,584.94/243,175.74
  6. Step 6: Final answer
    x = 139,967.78

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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.