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Finding the Fourth Proportional to 254,233.89, 350,841.78 and 139,514.45

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Solution

The fourth proportional to 254,233.89, 350,841.78 and 139,514.45 is: 192,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,233.89 : 350,841.78 = 139,514.45 : x
  2. Step 2: Convert to fraction form
    254,233.89/350,841.78 = 139,514.45/x
  3. Step 3: Cross multiply
    254,233.89x = 350,841.78 × 139,514.45
  4. Step 4: Simplify right side
    254,233.89x = 48,947,496,219.51
  5. Step 5: Solve for x
    x = 48,947,496,219.51/254,233.89
  6. Step 6: Final answer
    x = 192,529.39

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1.5x scale

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.