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Finding the Fourth Proportional to 173,912.69, 260,343.84 and 157,280.55

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Solution

The fourth proportional to 173,912.69, 260,343.84 and 157,280.55 is: 235,445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,912.69 : 260,343.84 = 157,280.55 : x
  2. Step 2: Convert to fraction form
    173,912.69/260,343.84 = 157,280.55/x
  3. Step 3: Cross multiply
    173,912.69x = 260,343.84 × 157,280.55
  4. Step 4: Simplify right side
    173,912.69x = 40,947,022,537.56
  5. Step 5: Solve for x
    x = 40,947,022,537.56/173,912.69
  6. Step 6: Final answer
    x = 235,445.86

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1.5x scale

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.