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Finding the Fourth Proportional to 164,811, 247,204.08 and 52,486.68

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Solution

The fourth proportional to 164,811, 247,204.08 and 52,486.68 is: 78,726.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,811 : 247,204.08 = 52,486.68 : x
  2. Step 2: Convert to fraction form
    164,811/247,204.08 = 52,486.68/x
  3. Step 3: Cross multiply
    164,811x = 247,204.08 × 52,486.68
  4. Step 4: Simplify right side
    164,811x = 12,974,921,441.65
  5. Step 5: Solve for x
    x = 12,974,921,441.65/164,811
  6. Step 6: Final answer
    x = 78,726.06

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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.