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Finding the Fourth Proportional to 93,969.99, 129,676.28 and 50,947.11

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Solution

The fourth proportional to 93,969.99, 129,676.28 and 50,947.11 is: 70,305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,969.99 : 129,676.28 = 50,947.11 : x
  2. Step 2: Convert to fraction form
    93,969.99/129,676.28 = 50,947.11/x
  3. Step 3: Cross multiply
    93,969.99x = 129,676.28 × 50,947.11
  4. Step 4: Simplify right side
    93,969.99x = 6,606,631,446.82
  5. Step 5: Solve for x
    x = 6,606,631,446.82/93,969.99
  6. Step 6: Final answer
    x = 70,305.76

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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.