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Finding the Fourth Proportional to 164,927.70, 247,359.15 and 54,119.70

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Solution

The fourth proportional to 164,927.70, 247,359.15 and 54,119.70 is: 81,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,927.70 : 247,359.15 = 54,119.70 : x
  2. Step 2: Convert to fraction form
    164,927.70/247,359.15 = 54,119.70/x
  3. Step 3: Cross multiply
    164,927.70x = 247,359.15 × 54,119.70
  4. Step 4: Simplify right side
    164,927.70x = 13,387,002,990.26
  5. Step 5: Solve for x
    x = 13,387,002,990.26/164,927.70
  6. Step 6: Final answer
    x = 81,168.92

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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.