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Finding the Fourth Proportional to 373,148.34, 559,939.34 and 156,991.24

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Solution

The fourth proportional to 373,148.34, 559,939.34 and 156,991.24 is: 235,578.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,148.34 : 559,939.34 = 156,991.24 : x
  2. Step 2: Convert to fraction form
    373,148.34/559,939.34 = 156,991.24/x
  3. Step 3: Cross multiply
    373,148.34x = 559,939.34 × 156,991.24
  4. Step 4: Simplify right side
    373,148.34x = 87,905,571,311.38
  5. Step 5: Solve for x
    x = 87,905,571,311.38/373,148.34
  6. Step 6: Final answer
    x = 235,578.08

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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.