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Finding the Fourth Proportional to 164,710.05, 247,023.76 and 63,487.79

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Solution

The fourth proportional to 164,710.05, 247,023.76 and 63,487.79 is: 95,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,710.05 : 247,023.76 = 63,487.79 : x
  2. Step 2: Convert to fraction form
    164,710.05/247,023.76 = 63,487.79/x
  3. Step 3: Cross multiply
    164,710.05x = 247,023.76 × 63,487.79
  4. Step 4: Simplify right side
    164,710.05x = 15,682,992,599.89
  5. Step 5: Solve for x
    x = 15,682,992,599.89/164,710.05
  6. Step 6: Final answer
    x = 95,215.76

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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.