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Finding the Fourth Proportional to 136,029.72, 204,059.76 and 36,193.76

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Solution

The fourth proportional to 136,029.72, 204,059.76 and 36,193.76 is: 54,294.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,029.72 : 204,059.76 = 36,193.76 : x
  2. Step 2: Convert to fraction form
    136,029.72/204,059.76 = 36,193.76/x
  3. Step 3: Cross multiply
    136,029.72x = 204,059.76 × 36,193.76
  4. Step 4: Simplify right side
    136,029.72x = 7,385,689,979.10
  5. Step 5: Solve for x
    x = 7,385,689,979.10/136,029.72
  6. Step 6: Final answer
    x = 54,294.68

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1.5x scale

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.