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Finding the Fourth Proportional to 374,956.92, 562,493.97 and 122,178.78

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Solution

The fourth proportional to 374,956.92, 562,493.97 and 122,178.78 is: 183,287.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,956.92 : 562,493.97 = 122,178.78 : x
  2. Step 2: Convert to fraction form
    374,956.92/562,493.97 = 122,178.78/x
  3. Step 3: Cross multiply
    374,956.92x = 562,493.97 × 122,178.78
  4. Step 4: Simplify right side
    374,956.92x = 68,724,827,011.96
  5. Step 5: Solve for x
    x = 68,724,827,011.96/374,956.92
  6. Step 6: Final answer
    x = 183,287.26

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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.