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Finding the Fourth Proportional to 144,795.80, 217,035.30 and 51,253.40

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Solution

The fourth proportional to 144,795.80, 217,035.30 and 51,253.40 is: 76,824.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,795.80 : 217,035.30 = 51,253.40 : x
  2. Step 2: Convert to fraction form
    144,795.80/217,035.30 = 51,253.40/x
  3. Step 3: Cross multiply
    144,795.80x = 217,035.30 × 51,253.40
  4. Step 4: Simplify right side
    144,795.80x = 11,123,797,045.02
  5. Step 5: Solve for x
    x = 11,123,797,045.02/144,795.80
  6. Step 6: Final answer
    x = 76,824.03

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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.