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Finding the Fourth Proportional to 163,673.12, 225,996 and 127,800.92

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Solution

The fourth proportional to 163,673.12, 225,996 and 127,800.92 is: 176,464.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,673.12 : 225,996 = 127,800.92 : x
  2. Step 2: Convert to fraction form
    163,673.12/225,996 = 127,800.92/x
  3. Step 3: Cross multiply
    163,673.12x = 225,996 × 127,800.92
  4. Step 4: Simplify right side
    163,673.12x = 28,882,496,716.32
  5. Step 5: Solve for x
    x = 28,882,496,716.32/163,673.12
  6. Step 6: Final answer
    x = 176,464.51

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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.