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Finding the Fourth Proportional to 173,835.60, 260,688.60 and 68,632.80

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Solution

The fourth proportional to 173,835.60, 260,688.60 and 68,632.80 is: 102,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,835.60 : 260,688.60 = 68,632.80 : x
  2. Step 2: Convert to fraction form
    173,835.60/260,688.60 = 68,632.80/x
  3. Step 3: Cross multiply
    173,835.60x = 260,688.60 × 68,632.80
  4. Step 4: Simplify right side
    173,835.60x = 17,891,788,546.08
  5. Step 5: Solve for x
    x = 17,891,788,546.08/173,835.60
  6. Step 6: Final answer
    x = 102,923.62

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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.