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Finding the Fourth Proportional to 374,559.31, 561,855.37 and 108,346.74

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Solution

The fourth proportional to 374,559.31, 561,855.37 and 108,346.74 is: 162,524.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,559.31 : 561,855.37 = 108,346.74 : x
  2. Step 2: Convert to fraction form
    374,559.31/561,855.37 = 108,346.74/x
  3. Step 3: Cross multiply
    374,559.31x = 561,855.37 × 108,346.74
  4. Step 4: Simplify right side
    374,559.31x = 60,875,197,690.99
  5. Step 5: Solve for x
    x = 60,875,197,690.99/374,559.31
  6. Step 6: Final answer
    x = 162,524.86

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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.