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Finding the Fourth Proportional to 373,146.34, 559,936.34 and 156,989.24

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Solution

The fourth proportional to 373,146.34, 559,936.34 and 156,989.24 is: 235,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,146.34 : 559,936.34 = 156,989.24 : x
  2. Step 2: Convert to fraction form
    373,146.34/559,936.34 = 156,989.24/x
  3. Step 3: Cross multiply
    373,146.34x = 559,936.34 × 156,989.24
  4. Step 4: Simplify right side
    373,146.34x = 87,903,976,880.35
  5. Step 5: Solve for x
    x = 87,903,976,880.35/373,146.34
  6. Step 6: Final answer
    x = 235,575.07

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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.