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Finding the Fourth Proportional to 94,757, 142,136.04 and 39,353

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Solution

The fourth proportional to 94,757, 142,136.04 and 39,353 is: 59,029.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,757 : 142,136.04 = 39,353 : x
  2. Step 2: Convert to fraction form
    94,757/142,136.04 = 39,353/x
  3. Step 3: Cross multiply
    94,757x = 142,136.04 × 39,353
  4. Step 4: Simplify right side
    94,757x = 5,593,479,582.12
  5. Step 5: Solve for x
    x = 5,593,479,582.12/94,757
  6. Step 6: Final answer
    x = 59,029.72

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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.