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Finding the Fourth Proportional to 149,642.15, 224,173.76 and 125,337.89

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Solution

The fourth proportional to 149,642.15, 224,173.76 and 125,337.89 is: 187,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,642.15 : 224,173.76 = 125,337.89 : x
  2. Step 2: Convert to fraction form
    149,642.15/224,173.76 = 125,337.89/x
  3. Step 3: Cross multiply
    149,642.15x = 224,173.76 × 125,337.89
  4. Step 4: Simplify right side
    149,642.15x = 28,097,464,324.21
  5. Step 5: Solve for x
    x = 28,097,464,324.21/149,642.15
  6. Step 6: Final answer
    x = 187,764.38

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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.