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Finding the Fourth Proportional to 167,101.11, 248,915.30 and 158,046.93

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Solution

The fourth proportional to 167,101.11, 248,915.30 and 158,046.93 is: 235,428.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,101.11 : 248,915.30 = 158,046.93 : x
  2. Step 2: Convert to fraction form
    167,101.11/248,915.30 = 158,046.93/x
  3. Step 3: Cross multiply
    167,101.11x = 248,915.30 × 158,046.93
  4. Step 4: Simplify right side
    167,101.11x = 39,340,298,204.79
  5. Step 5: Solve for x
    x = 39,340,298,204.79/167,101.11
  6. Step 6: Final answer
    x = 235,428.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.