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Finding the Fourth Proportional to 160,072.67, 240,106.25 and 47,753.21

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Solution

The fourth proportional to 160,072.67, 240,106.25 and 47,753.21 is: 71,629.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,072.67 : 240,106.25 = 47,753.21 : x
  2. Step 2: Convert to fraction form
    160,072.67/240,106.25 = 47,753.21/x
  3. Step 3: Cross multiply
    160,072.67x = 240,106.25 × 47,753.21
  4. Step 4: Simplify right side
    160,072.67x = 11,465,844,898.21
  5. Step 5: Solve for x
    x = 11,465,844,898.21/160,072.67
  6. Step 6: Final answer
    x = 71,629.00

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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.