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Finding the Fourth Proportional to 231,586.02, 346,770 and 186,366.96

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Solution

The fourth proportional to 231,586.02, 346,770 and 186,366.96 is: 279,060.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,586.02 : 346,770 = 186,366.96 : x
  2. Step 2: Convert to fraction form
    231,586.02/346,770 = 186,366.96/x
  3. Step 3: Cross multiply
    231,586.02x = 346,770 × 186,366.96
  4. Step 4: Simplify right side
    231,586.02x = 64,626,470,719.20
  5. Step 5: Solve for x
    x = 64,626,470,719.20/231,586.02
  6. Step 6: Final answer
    x = 279,060.33

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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.