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Finding the Fourth Proportional to 112,394.01, 167,771.10 and 98,206.11

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Solution

The fourth proportional to 112,394.01, 167,771.10 and 98,206.11 is: 146,592.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,394.01 : 167,771.10 = 98,206.11 : x
  2. Step 2: Convert to fraction form
    112,394.01/167,771.10 = 98,206.11/x
  3. Step 3: Cross multiply
    112,394.01x = 167,771.10 × 98,206.11
  4. Step 4: Simplify right side
    112,394.01x = 16,476,147,101.42
  5. Step 5: Solve for x
    x = 16,476,147,101.42/112,394.01
  6. Step 6: Final answer
    x = 146,592.75

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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.