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Finding the Fourth Proportional to 373,136.73, 559,530.13 and 136,313.79

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Solution

The fourth proportional to 373,136.73, 559,530.13 and 136,313.79 is: 204,406.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,136.73 : 559,530.13 = 136,313.79 : x
  2. Step 2: Convert to fraction form
    373,136.73/559,530.13 = 136,313.79/x
  3. Step 3: Cross multiply
    373,136.73x = 559,530.13 × 136,313.79
  4. Step 4: Simplify right side
    373,136.73x = 76,271,672,639.49
  5. Step 5: Solve for x
    x = 76,271,672,639.49/373,136.73
  6. Step 6: Final answer
    x = 204,406.77

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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.