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Finding the Fourth Proportional to 129,862.48, 194,676.76 and 46,698

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Solution

The fourth proportional to 129,862.48, 194,676.76 and 46,698 is: 70,004.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,862.48 : 194,676.76 = 46,698 : x
  2. Step 2: Convert to fraction form
    129,862.48/194,676.76 = 46,698/x
  3. Step 3: Cross multiply
    129,862.48x = 194,676.76 × 46,698
  4. Step 4: Simplify right side
    129,862.48x = 9,091,015,338.48
  5. Step 5: Solve for x
    x = 9,091,015,338.48/129,862.48
  6. Step 6: Final answer
    x = 70,004.94

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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.