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Finding the Fourth Proportional to 93,954.56, 129,581.96 and 82,599.98

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Solution

The fourth proportional to 93,954.56, 129,581.96 and 82,599.98 is: 113,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,954.56 : 129,581.96 = 82,599.98 : x
  2. Step 2: Convert to fraction form
    93,954.56/129,581.96 = 82,599.98/x
  3. Step 3: Cross multiply
    93,954.56x = 129,581.96 × 82,599.98
  4. Step 4: Simplify right side
    93,954.56x = 10,703,466,243.45
  5. Step 5: Solve for x
    x = 10,703,466,243.45/93,954.56
  6. Step 6: Final answer
    x = 113,921.74

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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.