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Finding the Fourth Proportional to 272,586.40, 408,733.80 and 95,099.20

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Solution

The fourth proportional to 272,586.40, 408,733.80 and 95,099.20 is: 142,597.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,586.40 : 408,733.80 = 95,099.20 : x
  2. Step 2: Convert to fraction form
    272,586.40/408,733.80 = 95,099.20/x
  3. Step 3: Cross multiply
    272,586.40x = 408,733.80 × 95,099.20
  4. Step 4: Simplify right side
    272,586.40x = 38,870,257,392.96
  5. Step 5: Solve for x
    x = 38,870,257,392.96/272,586.40
  6. Step 6: Final answer
    x = 142,597.93

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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.