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Finding the Fourth Proportional to 173,340.72, 260,020.80 and 48,672

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Solution

The fourth proportional to 173,340.72, 260,020.80 and 48,672 is: 73,010.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,340.72 : 260,020.80 = 48,672 : x
  2. Step 2: Convert to fraction form
    173,340.72/260,020.80 = 48,672/x
  3. Step 3: Cross multiply
    173,340.72x = 260,020.80 × 48,672
  4. Step 4: Simplify right side
    173,340.72x = 12,655,732,377.60
  5. Step 5: Solve for x
    x = 12,655,732,377.60/173,340.72
  6. Step 6: Final answer
    x = 73,010.73

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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.