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Finding the Fourth Proportional to 117,571.68, 176,301.96 and 45,558.32

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Solution

The fourth proportional to 117,571.68, 176,301.96 and 45,558.32 is: 68,315.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,571.68 : 176,301.96 = 45,558.32 : x
  2. Step 2: Convert to fraction form
    117,571.68/176,301.96 = 45,558.32/x
  3. Step 3: Cross multiply
    117,571.68x = 176,301.96 × 45,558.32
  4. Step 4: Simplify right side
    117,571.68x = 8,032,021,110.31
  5. Step 5: Solve for x
    x = 8,032,021,110.31/117,571.68
  6. Step 6: Final answer
    x = 68,315.95

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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.