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Finding the Fourth Proportional to 167,352.66, 230,946.66 and 90,871.38

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Solution

The fourth proportional to 167,352.66, 230,946.66 and 90,871.38 is: 125,402.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,352.66 : 230,946.66 = 90,871.38 : x
  2. Step 2: Convert to fraction form
    167,352.66/230,946.66 = 90,871.38/x
  3. Step 3: Cross multiply
    167,352.66x = 230,946.66 × 90,871.38
  4. Step 4: Simplify right side
    167,352.66x = 20,986,441,700.59
  5. Step 5: Solve for x
    x = 20,986,441,700.59/167,352.66
  6. Step 6: Final answer
    x = 125,402.50

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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.