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Finding the Fourth Proportional to 160,115.67, 240,199.43 and 49,281.75

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Solution

The fourth proportional to 160,115.67, 240,199.43 and 49,281.75 is: 73,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,115.67 : 240,199.43 = 49,281.75 : x
  2. Step 2: Convert to fraction form
    160,115.67/240,199.43 = 49,281.75/x
  3. Step 3: Cross multiply
    160,115.67x = 240,199.43 × 49,281.75
  4. Step 4: Simplify right side
    160,115.67x = 11,837,448,012.99
  5. Step 5: Solve for x
    x = 11,837,448,012.99/160,115.67
  6. Step 6: Final answer
    x = 73,930.60

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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.