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Finding the Fourth Proportional to 160,651.21, 240,988.95 and 54,035.47

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Solution

The fourth proportional to 160,651.21, 240,988.95 and 54,035.47 is: 81,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,651.21 : 240,988.95 = 54,035.47 : x
  2. Step 2: Convert to fraction form
    160,651.21/240,988.95 = 54,035.47/x
  3. Step 3: Cross multiply
    160,651.21x = 240,988.95 × 54,035.47
  4. Step 4: Simplify right side
    160,651.21x = 13,021,951,835.65
  5. Step 5: Solve for x
    x = 13,021,951,835.65/160,651.21
  6. Step 6: Final answer
    x = 81,057.29

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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.