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Finding the Fourth Proportional to 206,861.35, 310,248.46 and 94,509.67

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Solution

The fourth proportional to 206,861.35, 310,248.46 and 94,509.67 is: 141,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,861.35 : 310,248.46 = 94,509.67 : x
  2. Step 2: Convert to fraction form
    206,861.35/310,248.46 = 94,509.67/x
  3. Step 3: Cross multiply
    206,861.35x = 310,248.46 × 94,509.67
  4. Step 4: Simplify right side
    206,861.35x = 29,321,479,572.61
  5. Step 5: Solve for x
    x = 29,321,479,572.61/206,861.35
  6. Step 6: Final answer
    x = 141,744.60

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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.