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Finding the Fourth Proportional to 173,674.60, 260,123.10 and 134,103.40

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Solution

The fourth proportional to 173,674.60, 260,123.10 and 134,103.40 is: 200,854.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,674.60 : 260,123.10 = 134,103.40 : x
  2. Step 2: Convert to fraction form
    173,674.60/260,123.10 = 134,103.40/x
  3. Step 3: Cross multiply
    173,674.60x = 260,123.10 × 134,103.40
  4. Step 4: Simplify right side
    173,674.60x = 34,883,392,128.54
  5. Step 5: Solve for x
    x = 34,883,392,128.54/173,674.60
  6. Step 6: Final answer
    x = 200,854.89

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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.