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Finding the Fourth Proportional to 89,096.99, 122,953.83 and 53,287

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Solution

The fourth proportional to 89,096.99, 122,953.83 and 53,287 is: 73,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,096.99 : 122,953.83 = 53,287 : x
  2. Step 2: Convert to fraction form
    89,096.99/122,953.83 = 53,287/x
  3. Step 3: Cross multiply
    89,096.99x = 122,953.83 × 53,287
  4. Step 4: Simplify right side
    89,096.99x = 6,551,840,739.21
  5. Step 5: Solve for x
    x = 6,551,840,739.21/89,096.99
  6. Step 6: Final answer
    x = 73,536.05

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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.