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Finding the Fourth Proportional to 254,234, 350,841.98 and 139,514.58

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Solution

The fourth proportional to 254,234, 350,841.98 and 139,514.58 is: 192,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,234 : 350,841.98 = 139,514.58 : x
  2. Step 2: Convert to fraction form
    254,234/350,841.98 = 139,514.58/x
  3. Step 3: Cross multiply
    254,234x = 350,841.98 × 139,514.58
  4. Step 4: Simplify right side
    254,234x = 48,947,571,486.07
  5. Step 5: Solve for x
    x = 48,947,571,486.07/254,234
  6. Step 6: Final answer
    x = 192,529.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.