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Finding the Fourth Proportional to 79,798.96, 119,656.32 and 35,406.32

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Solution

The fourth proportional to 79,798.96, 119,656.32 and 35,406.32 is: 53,090.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,798.96 : 119,656.32 = 35,406.32 : x
  2. Step 2: Convert to fraction form
    79,798.96/119,656.32 = 35,406.32/x
  3. Step 3: Cross multiply
    79,798.96x = 119,656.32 × 35,406.32
  4. Step 4: Simplify right side
    79,798.96x = 4,236,589,955.94
  5. Step 5: Solve for x
    x = 4,236,589,955.94/79,798.96
  6. Step 6: Final answer
    x = 53,090.79

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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.