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Finding the Fourth Proportional to 174,274.40, 261,411.60 and 134,859.80

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Solution

The fourth proportional to 174,274.40, 261,411.60 and 134,859.80 is: 202,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,274.40 : 261,411.60 = 134,859.80 : x
  2. Step 2: Convert to fraction form
    174,274.40/261,411.60 = 134,859.80/x
  3. Step 3: Cross multiply
    174,274.40x = 261,411.60 × 134,859.80
  4. Step 4: Simplify right side
    174,274.40x = 35,253,916,093.68
  5. Step 5: Solve for x
    x = 35,253,916,093.68/174,274.40
  6. Step 6: Final answer
    x = 202,289.70

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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.