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Finding the Fourth Proportional to 117,059.44, 161,542.56 and 63,344.80

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Solution

The fourth proportional to 117,059.44, 161,542.56 and 63,344.80 is: 87,416.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,059.44 : 161,542.56 = 63,344.80 : x
  2. Step 2: Convert to fraction form
    117,059.44/161,542.56 = 63,344.80/x
  3. Step 3: Cross multiply
    117,059.44x = 161,542.56 × 63,344.80
  4. Step 4: Simplify right side
    117,059.44x = 10,232,881,154.69
  5. Step 5: Solve for x
    x = 10,232,881,154.69/117,059.44
  6. Step 6: Final answer
    x = 87,416.11

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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.