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Finding the Fourth Proportional to 246,595.89, 369,862.66 and 78,133.31

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Solution

The fourth proportional to 246,595.89, 369,862.66 and 78,133.31 is: 117,190.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,595.89 : 369,862.66 = 78,133.31 : x
  2. Step 2: Convert to fraction form
    246,595.89/369,862.66 = 78,133.31/x
  3. Step 3: Cross multiply
    246,595.89x = 369,862.66 × 78,133.31
  4. Step 4: Simplify right side
    246,595.89x = 28,898,593,871.20
  5. Step 5: Solve for x
    x = 28,898,593,871.20/246,595.89
  6. Step 6: Final answer
    x = 117,190.09

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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.