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Finding the Fourth Proportional to 270,889.50, 373,826.57 and 156,167.60

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Solution

The fourth proportional to 270,889.50, 373,826.57 and 156,167.60 is: 215,510.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,889.50 : 373,826.57 = 156,167.60 : x
  2. Step 2: Convert to fraction form
    270,889.50/373,826.57 = 156,167.60/x
  3. Step 3: Cross multiply
    270,889.50x = 373,826.57 × 156,167.60
  4. Step 4: Simplify right side
    270,889.50x = 58,379,596,783.57
  5. Step 5: Solve for x
    x = 58,379,596,783.57/270,889.50
  6. Step 6: Final answer
    x = 215,510.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.