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Finding the Fourth Proportional to 93,996.72, 129,723.79 and 51,563.52

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Solution

The fourth proportional to 93,996.72, 129,723.79 and 51,563.52 is: 71,162.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,996.72 : 129,723.79 = 51,563.52 : x
  2. Step 2: Convert to fraction form
    93,996.72/129,723.79 = 51,563.52/x
  3. Step 3: Cross multiply
    93,996.72x = 129,723.79 × 51,563.52
  4. Step 4: Simplify right side
    93,996.72x = 6,689,015,240.14
  5. Step 5: Solve for x
    x = 6,689,015,240.14/93,996.72
  6. Step 6: Final answer
    x = 71,162.22

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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.