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Finding the Fourth Proportional to 367,507.23, 551,144.15 and 118,130.91

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Solution

The fourth proportional to 367,507.23, 551,144.15 and 118,130.91 is: 177,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,507.23 : 551,144.15 = 118,130.91 : x
  2. Step 2: Convert to fraction form
    367,507.23/551,144.15 = 118,130.91/x
  3. Step 3: Cross multiply
    367,507.23x = 551,144.15 × 118,130.91
  4. Step 4: Simplify right side
    367,507.23x = 65,107,157,766.22
  5. Step 5: Solve for x
    x = 65,107,157,766.22/367,507.23
  6. Step 6: Final answer
    x = 177,158.85

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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.