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Finding the Fourth Proportional to 356,161.92, 534,155.40 and 119,499.36

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Solution

The fourth proportional to 356,161.92, 534,155.40 and 119,499.36 is: 179,219.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,161.92 : 534,155.40 = 119,499.36 : x
  2. Step 2: Convert to fraction form
    356,161.92/534,155.40 = 119,499.36/x
  3. Step 3: Cross multiply
    356,161.92x = 534,155.40 × 119,499.36
  4. Step 4: Simplify right side
    356,161.92x = 63,831,228,440.54
  5. Step 5: Solve for x
    x = 63,831,228,440.54/356,161.92
  6. Step 6: Final answer
    x = 179,219.69

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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.