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Finding the Fourth Proportional to 164,280.66, 246,420.99 and 64,487.85

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Solution

The fourth proportional to 164,280.66, 246,420.99 and 64,487.85 is: 96,731.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,280.66 : 246,420.99 = 64,487.85 : x
  2. Step 2: Convert to fraction form
    164,280.66/246,420.99 = 64,487.85/x
  3. Step 3: Cross multiply
    164,280.66x = 246,420.99 × 64,487.85
  4. Step 4: Simplify right side
    164,280.66x = 15,891,159,839.97
  5. Step 5: Solve for x
    x = 15,891,159,839.97/164,280.66
  6. Step 6: Final answer
    x = 96,731.78

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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.