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Finding the Fourth Proportional to 79,499.80, 119,242.36 and 26,903.24

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Solution

The fourth proportional to 79,499.80, 119,242.36 and 26,903.24 is: 40,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,499.80 : 119,242.36 = 26,903.24 : x
  2. Step 2: Convert to fraction form
    79,499.80/119,242.36 = 26,903.24/x
  3. Step 3: Cross multiply
    79,499.80x = 119,242.36 × 26,903.24
  4. Step 4: Simplify right side
    79,499.80x = 3,208,005,829.25
  5. Step 5: Solve for x
    x = 3,208,005,829.25/79,499.80
  6. Step 6: Final answer
    x = 40,352.38

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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.