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Finding the Fourth Proportional to 114,889.68, 172,334.24 and 36,009.92

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Solution

The fourth proportional to 114,889.68, 172,334.24 and 36,009.92 is: 54,014.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,889.68 : 172,334.24 = 36,009.92 : x
  2. Step 2: Convert to fraction form
    114,889.68/172,334.24 = 36,009.92/x
  3. Step 3: Cross multiply
    114,889.68x = 172,334.24 × 36,009.92
  4. Step 4: Simplify right side
    114,889.68x = 6,205,742,195.66
  5. Step 5: Solve for x
    x = 6,205,742,195.66/114,889.68
  6. Step 6: Final answer
    x = 54,014.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.