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Finding the Fourth Proportional to 374,166.78, 561,255.03 and 124,848.78

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Solution

The fourth proportional to 374,166.78, 561,255.03 and 124,848.78 is: 187,274.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,166.78 : 561,255.03 = 124,848.78 : x
  2. Step 2: Convert to fraction form
    374,166.78/561,255.03 = 124,848.78/x
  3. Step 3: Cross multiply
    374,166.78x = 561,255.03 × 124,848.78
  4. Step 4: Simplify right side
    374,166.78x = 70,072,005,764.36
  5. Step 5: Solve for x
    x = 70,072,005,764.36/374,166.78
  6. Step 6: Final answer
    x = 187,274.79

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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.