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Finding the Fourth Proportional to 79,460.67, 119,189.16 and 40,007.19

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Solution

The fourth proportional to 79,460.67, 119,189.16 and 40,007.19 is: 60,009.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,460.67 : 119,189.16 = 40,007.19 : x
  2. Step 2: Convert to fraction form
    79,460.67/119,189.16 = 40,007.19/x
  3. Step 3: Cross multiply
    79,460.67x = 119,189.16 × 40,007.19
  4. Step 4: Simplify right side
    79,460.67x = 4,768,423,370.06
  5. Step 5: Solve for x
    x = 4,768,423,370.06/79,460.67
  6. Step 6: Final answer
    x = 60,009.86

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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.