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Finding the Fourth Proportional to 79,675.53, 119,485.40 and 23,500.71

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Solution

The fourth proportional to 79,675.53, 119,485.40 and 23,500.71 is: 35,242.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,675.53 : 119,485.40 = 23,500.71 : x
  2. Step 2: Convert to fraction form
    79,675.53/119,485.40 = 23,500.71/x
  3. Step 3: Cross multiply
    79,675.53x = 119,485.40 × 23,500.71
  4. Step 4: Simplify right side
    79,675.53x = 2,807,991,617.13
  5. Step 5: Solve for x
    x = 2,807,991,617.13/79,675.53
  6. Step 6: Final answer
    x = 35,242.84

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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.