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Finding the Fourth Proportional to 164,612.31, 246,916.67 and 39,953.31

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Solution

The fourth proportional to 164,612.31, 246,916.67 and 39,953.31 is: 59,929.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,612.31 : 246,916.67 = 39,953.31 : x
  2. Step 2: Convert to fraction form
    164,612.31/246,916.67 = 39,953.31/x
  3. Step 3: Cross multiply
    164,612.31x = 246,916.67 × 39,953.31
  4. Step 4: Simplify right side
    164,612.31x = 9,865,138,060.91
  5. Step 5: Solve for x
    x = 9,865,138,060.91/164,612.31
  6. Step 6: Final answer
    x = 59,929.53

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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.