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Finding the Fourth Proportional to 129,573.84, 194,193.90 and 62,884.92

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Solution

The fourth proportional to 129,573.84, 194,193.90 and 62,884.92 is: 94,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,573.84 : 194,193.90 = 62,884.92 : x
  2. Step 2: Convert to fraction form
    129,573.84/194,193.90 = 62,884.92/x
  3. Step 3: Cross multiply
    129,573.84x = 194,193.90 × 62,884.92
  4. Step 4: Simplify right side
    129,573.84x = 12,211,867,865.99
  5. Step 5: Solve for x
    x = 12,211,867,865.99/129,573.84
  6. Step 6: Final answer
    x = 94,246.40

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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.