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Finding the Fourth Proportional to 179,987.67, 269,978.67 and 46,864.98

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Solution

The fourth proportional to 179,987.67, 269,978.67 and 46,864.98 is: 70,296.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,987.67 : 269,978.67 = 46,864.98 : x
  2. Step 2: Convert to fraction form
    179,987.67/269,978.67 = 46,864.98/x
  3. Step 3: Cross multiply
    179,987.67x = 269,978.67 × 46,864.98
  4. Step 4: Simplify right side
    179,987.67x = 12,652,544,969.98
  5. Step 5: Solve for x
    x = 12,652,544,969.98/179,987.67
  6. Step 6: Final answer
    x = 70,296.73

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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.