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Finding the Fourth Proportional to 129,677.85, 194,522.85 and 63,038.52

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Solution

The fourth proportional to 129,677.85, 194,522.85 and 63,038.52 is: 94,560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,677.85 : 194,522.85 = 63,038.52 : x
  2. Step 2: Convert to fraction form
    129,677.85/194,522.85 = 63,038.52/x
  3. Step 3: Cross multiply
    129,677.85x = 194,522.85 × 63,038.52
  4. Step 4: Simplify right side
    129,677.85x = 12,262,432,570.18
  5. Step 5: Solve for x
    x = 12,262,432,570.18/129,677.85
  6. Step 6: Final answer
    x = 94,560.73

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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.