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Finding the Fourth Proportional to 79,027.65, 118,561.32 and 55,699.65

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Solution

The fourth proportional to 79,027.65, 118,561.32 and 55,699.65 is: 83,563.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,027.65 : 118,561.32 = 55,699.65 : x
  2. Step 2: Convert to fraction form
    79,027.65/118,561.32 = 55,699.65/x
  3. Step 3: Cross multiply
    79,027.65x = 118,561.32 × 55,699.65
  4. Step 4: Simplify right side
    79,027.65x = 6,603,824,027.54
  5. Step 5: Solve for x
    x = 6,603,824,027.54/79,027.65
  6. Step 6: Final answer
    x = 83,563.46

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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.