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Finding the Fourth Proportional to 374,820.57, 562,230.40 and 122,100.66

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Solution

The fourth proportional to 374,820.57, 562,230.40 and 122,100.66 is: 183,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,820.57 : 562,230.40 = 122,100.66 : x
  2. Step 2: Convert to fraction form
    374,820.57/562,230.40 = 122,100.66/x
  3. Step 3: Cross multiply
    374,820.57x = 562,230.40 × 122,100.66
  4. Step 4: Simplify right side
    374,820.57x = 68,648,702,912.06
  5. Step 5: Solve for x
    x = 68,648,702,912.06/374,820.57
  6. Step 6: Final answer
    x = 183,150.84

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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.