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Finding the Fourth Proportional to 129,530.34, 194,244.48 and 62,950.77

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Solution

The fourth proportional to 129,530.34, 194,244.48 and 62,950.77 is: 94,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,530.34 : 194,244.48 = 62,950.77 : x
  2. Step 2: Convert to fraction form
    129,530.34/194,244.48 = 62,950.77/x
  3. Step 3: Cross multiply
    129,530.34x = 194,244.48 × 62,950.77
  4. Step 4: Simplify right side
    129,530.34x = 12,227,839,584.25
  5. Step 5: Solve for x
    x = 12,227,839,584.25/129,530.34
  6. Step 6: Final answer
    x = 94,401.35

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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.