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Finding the Fourth Proportional to 374,777.89, 562,206.22 and 122,078.07

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Solution

The fourth proportional to 374,777.89, 562,206.22 and 122,078.07 is: 183,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,777.89 : 562,206.22 = 122,078.07 : x
  2. Step 2: Convert to fraction form
    374,777.89/562,206.22 = 122,078.07/x
  3. Step 3: Cross multiply
    374,777.89x = 562,206.22 × 122,078.07
  4. Step 4: Simplify right side
    374,777.89x = 68,633,049,974.40
  5. Step 5: Solve for x
    x = 68,633,049,974.40/374,777.89
  6. Step 6: Final answer
    x = 183,129.93

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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.