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Finding the Fourth Proportional to 117,881.92, 176,870.04 and 43,007.68

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Solution

The fourth proportional to 117,881.92, 176,870.04 and 43,007.68 is: 64,528.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,881.92 : 176,870.04 = 43,007.68 : x
  2. Step 2: Convert to fraction form
    117,881.92/176,870.04 = 43,007.68/x
  3. Step 3: Cross multiply
    117,881.92x = 176,870.04 × 43,007.68
  4. Step 4: Simplify right side
    117,881.92x = 7,606,770,081.91
  5. Step 5: Solve for x
    x = 7,606,770,081.91/117,881.92
  6. Step 6: Final answer
    x = 64,528.73

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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.