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Finding the Fourth Proportional to 95,978.67, 143,968.01 and 49,201.71

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Solution

The fourth proportional to 95,978.67, 143,968.01 and 49,201.71 is: 73,802.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,978.67 : 143,968.01 = 49,201.71 : x
  2. Step 2: Convert to fraction form
    95,978.67/143,968.01 = 49,201.71/x
  3. Step 3: Cross multiply
    95,978.67x = 143,968.01 × 49,201.71
  4. Step 4: Simplify right side
    95,978.67x = 7,083,472,031.29
  5. Step 5: Solve for x
    x = 7,083,472,031.29/95,978.67
  6. Step 6: Final answer
    x = 73,802.57

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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.