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Finding the Fourth Proportional to 373,121.88, 559,762.50 and 120,416.76

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Solution

The fourth proportional to 373,121.88, 559,762.50 and 120,416.76 is: 180,650.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,121.88 : 559,762.50 = 120,416.76 : x
  2. Step 2: Convert to fraction form
    373,121.88/559,762.50 = 120,416.76/x
  3. Step 3: Cross multiply
    373,121.88x = 559,762.50 × 120,416.76
  4. Step 4: Simplify right side
    373,121.88x = 67,404,786,619.50
  5. Step 5: Solve for x
    x = 67,404,786,619.50/373,121.88
  6. Step 6: Final answer
    x = 180,650.85

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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.