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Finding the Fourth Proportional to 68,164.98, 94,059.21 and 39,484.27

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Solution

The fourth proportional to 68,164.98, 94,059.21 and 39,484.27 is: 54,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,164.98 : 94,059.21 = 39,484.27 : x
  2. Step 2: Convert to fraction form
    68,164.98/94,059.21 = 39,484.27/x
  3. Step 3: Cross multiply
    68,164.98x = 94,059.21 × 39,484.27
  4. Step 4: Simplify right side
    68,164.98x = 3,713,859,243.63
  5. Step 5: Solve for x
    x = 3,713,859,243.63/68,164.98
  6. Step 6: Final answer
    x = 54,483.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.