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Finding the Fourth Proportional to 144,672.88, 217,056.84 and 51,157.84

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Solution

The fourth proportional to 144,672.88, 217,056.84 and 51,157.84 is: 76,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,672.88 : 217,056.84 = 51,157.84 : x
  2. Step 2: Convert to fraction form
    144,672.88/217,056.84 = 51,157.84/x
  3. Step 3: Cross multiply
    144,672.88x = 217,056.84 × 51,157.84
  4. Step 4: Simplify right side
    144,672.88x = 11,104,159,091.63
  5. Step 5: Solve for x
    x = 11,104,159,091.63/144,672.88
  6. Step 6: Final answer
    x = 76,753.56

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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.