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Finding the Fourth Proportional to 374,585.58, 561,861.90 and 108,340.20

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Solution

The fourth proportional to 374,585.58, 561,861.90 and 108,340.20 is: 162,505.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,585.58 : 561,861.90 = 108,340.20 : x
  2. Step 2: Convert to fraction form
    374,585.58/561,861.90 = 108,340.20/x
  3. Step 3: Cross multiply
    374,585.58x = 561,861.90 × 108,340.20
  4. Step 4: Simplify right side
    374,585.58x = 60,872,230,618.38
  5. Step 5: Solve for x
    x = 60,872,230,618.38/374,585.58
  6. Step 6: Final answer
    x = 162,505.54

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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.