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Finding the Fourth Proportional to 144,074.96, 215,964.64 and 55,304.56

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Solution

The fourth proportional to 144,074.96, 215,964.64 and 55,304.56 is: 82,900.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,074.96 : 215,964.64 = 55,304.56 : x
  2. Step 2: Convert to fraction form
    144,074.96/215,964.64 = 55,304.56/x
  3. Step 3: Cross multiply
    144,074.96x = 215,964.64 × 55,304.56
  4. Step 4: Simplify right side
    144,074.96x = 11,943,829,390.76
  5. Step 5: Solve for x
    x = 11,943,829,390.76/144,074.96
  6. Step 6: Final answer
    x = 82,900.11

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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.