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Finding the Fourth Proportional to 79,950.96, 119,905.53 and 23,775.93

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Solution

The fourth proportional to 79,950.96, 119,905.53 and 23,775.93 is: 35,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,950.96 : 119,905.53 = 23,775.93 : x
  2. Step 2: Convert to fraction form
    79,950.96/119,905.53 = 23,775.93/x
  3. Step 3: Cross multiply
    79,950.96x = 119,905.53 × 23,775.93
  4. Step 4: Simplify right side
    79,950.96x = 2,850,865,487.89
  5. Step 5: Solve for x
    x = 2,850,865,487.89/79,950.96
  6. Step 6: Final answer
    x = 35,657.68

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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.