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Finding the Fourth Proportional to 79,347.83, 118,938.71 and 26,739.14

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Solution

The fourth proportional to 79,347.83, 118,938.71 and 26,739.14 is: 40,080.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,347.83 : 118,938.71 = 26,739.14 : x
  2. Step 2: Convert to fraction form
    79,347.83/118,938.71 = 26,739.14/x
  3. Step 3: Cross multiply
    79,347.83x = 118,938.71 × 26,739.14
  4. Step 4: Simplify right side
    79,347.83x = 3,180,318,290.26
  5. Step 5: Solve for x
    x = 3,180,318,290.26/79,347.83
  6. Step 6: Final answer
    x = 40,080.72

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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.