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Finding the Fourth Proportional to 365,972.79, 548,742.33 and 113,178.45

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Solution

The fourth proportional to 365,972.79, 548,742.33 and 113,178.45 is: 169,700.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,972.79 : 548,742.33 = 113,178.45 : x
  2. Step 2: Convert to fraction form
    365,972.79/548,742.33 = 113,178.45/x
  3. Step 3: Cross multiply
    365,972.79x = 548,742.33 × 113,178.45
  4. Step 4: Simplify right side
    365,972.79x = 62,105,806,358.79
  5. Step 5: Solve for x
    x = 62,105,806,358.79/365,972.79
  6. Step 6: Final answer
    x = 169,700.61

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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.