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Finding the Fourth Proportional to 173,364.30, 260,095.05 and 84,620.70

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Solution

The fourth proportional to 173,364.30, 260,095.05 and 84,620.70 is: 126,954.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,364.30 : 260,095.05 = 84,620.70 : x
  2. Step 2: Convert to fraction form
    173,364.30/260,095.05 = 84,620.70/x
  3. Step 3: Cross multiply
    173,364.30x = 260,095.05 × 84,620.70
  4. Step 4: Simplify right side
    173,364.30x = 22,009,425,197.54
  5. Step 5: Solve for x
    x = 22,009,425,197.54/173,364.30
  6. Step 6: Final answer
    x = 126,954.77

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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.