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Finding the Fourth Proportional to 193,294.72, 289,606.40 and 104,609.28

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Solution

The fourth proportional to 193,294.72, 289,606.40 and 104,609.28 is: 156,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,294.72 : 289,606.40 = 104,609.28 : x
  2. Step 2: Convert to fraction form
    193,294.72/289,606.40 = 104,609.28/x
  3. Step 3: Cross multiply
    193,294.72x = 289,606.40 × 104,609.28
  4. Step 4: Simplify right side
    193,294.72x = 30,295,516,987.39
  5. Step 5: Solve for x
    x = 30,295,516,987.39/193,294.72
  6. Step 6: Final answer
    x = 156,732.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.