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Finding the Fourth Proportional to 358,141.62, 537,231.59 and 91,904.43

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Solution

The fourth proportional to 358,141.62, 537,231.59 and 91,904.43 is: 137,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,141.62 : 537,231.59 = 91,904.43 : x
  2. Step 2: Convert to fraction form
    358,141.62/537,231.59 = 91,904.43/x
  3. Step 3: Cross multiply
    358,141.62x = 537,231.59 × 91,904.43
  4. Step 4: Simplify right side
    358,141.62x = 49,373,962,597.42
  5. Step 5: Solve for x
    x = 49,373,962,597.42/358,141.62
  6. Step 6: Final answer
    x = 137,861.56

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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.