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Finding the Fourth Proportional to 328,752.66, 493,123.62 and 104,112.75

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Solution

The fourth proportional to 328,752.66, 493,123.62 and 104,112.75 is: 156,167.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,752.66 : 493,123.62 = 104,112.75 : x
  2. Step 2: Convert to fraction form
    328,752.66/493,123.62 = 104,112.75/x
  3. Step 3: Cross multiply
    328,752.66x = 493,123.62 × 104,112.75
  4. Step 4: Simplify right side
    328,752.66x = 51,340,456,168.16
  5. Step 5: Solve for x
    x = 51,340,456,168.16/328,752.66
  6. Step 6: Final answer
    x = 156,167.42

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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.