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Finding the Fourth Proportional to 167,896.99, 231,746.70 and 134,140.51

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Solution

The fourth proportional to 167,896.99, 231,746.70 and 134,140.51 is: 185,152.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,896.99 : 231,746.70 = 134,140.51 : x
  2. Step 2: Convert to fraction form
    167,896.99/231,746.70 = 134,140.51/x
  3. Step 3: Cross multiply
    167,896.99x = 231,746.70 × 134,140.51
  4. Step 4: Simplify right side
    167,896.99x = 31,086,620,528.82
  5. Step 5: Solve for x
    x = 31,086,620,528.82/167,896.99
  6. Step 6: Final answer
    x = 185,152.94

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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.