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Finding the Fourth Proportional to 374,593.01, 561,898.62 and 121,874.22

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Solution

The fourth proportional to 374,593.01, 561,898.62 and 121,874.22 is: 182,814.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,593.01 : 561,898.62 = 121,874.22 : x
  2. Step 2: Convert to fraction form
    374,593.01/561,898.62 = 121,874.22/x
  3. Step 3: Cross multiply
    374,593.01x = 561,898.62 × 121,874.22
  4. Step 4: Simplify right side
    374,593.01x = 68,480,956,031.58
  5. Step 5: Solve for x
    x = 68,480,956,031.58/374,593.01
  6. Step 6: Final answer
    x = 182,814.29

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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.