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Finding the Fourth Proportional to 141,744.66, 212,748.21 and 71,673.18

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Solution

The fourth proportional to 141,744.66, 212,748.21 and 71,673.18 is: 107,576.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,744.66 : 212,748.21 = 71,673.18 : x
  2. Step 2: Convert to fraction form
    141,744.66/212,748.21 = 71,673.18/x
  3. Step 3: Cross multiply
    141,744.66x = 212,748.21 × 71,673.18
  4. Step 4: Simplify right side
    141,744.66x = 15,248,340,750.01
  5. Step 5: Solve for x
    x = 15,248,340,750.01/141,744.66
  6. Step 6: Final answer
    x = 107,576.12

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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.