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Finding the Fourth Proportional to 79,266.64, 118,918.14 and 26,674.72

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Solution

The fourth proportional to 79,266.64, 118,918.14 and 26,674.72 is: 40,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,266.64 : 118,918.14 = 26,674.72 : x
  2. Step 2: Convert to fraction form
    79,266.64/118,918.14 = 26,674.72/x
  3. Step 3: Cross multiply
    79,266.64x = 118,918.14 × 26,674.72
  4. Step 4: Simplify right side
    79,266.64x = 3,172,108,087.42
  5. Step 5: Solve for x
    x = 3,172,108,087.42/79,266.64
  6. Step 6: Final answer
    x = 40,018.20

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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.