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Finding the Fourth Proportional to 447,136.52, 670,704.06 and 114,712.52

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Solution

The fourth proportional to 447,136.52, 670,704.06 and 114,712.52 is: 172,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,136.52 : 670,704.06 = 114,712.52 : x
  2. Step 2: Convert to fraction form
    447,136.52/670,704.06 = 114,712.52/x
  3. Step 3: Cross multiply
    447,136.52x = 670,704.06 × 114,712.52
  4. Step 4: Simplify right side
    447,136.52x = 76,938,152,896.83
  5. Step 5: Solve for x
    x = 76,938,152,896.83/447,136.52
  6. Step 6: Final answer
    x = 172,068.60

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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.