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Finding the Fourth Proportional to 167,094, 230,600.66 and 91,642.50

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Solution

The fourth proportional to 167,094, 230,600.66 and 91,642.50 is: 126,472.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,094 : 230,600.66 = 91,642.50 : x
  2. Step 2: Convert to fraction form
    167,094/230,600.66 = 91,642.50/x
  3. Step 3: Cross multiply
    167,094x = 230,600.66 × 91,642.50
  4. Step 4: Simplify right side
    167,094x = 21,132,820,525.84
  5. Step 5: Solve for x
    x = 21,132,820,525.84/167,094
  6. Step 6: Final answer
    x = 126,472.65

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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.