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Finding the Fourth Proportional to 158,285.54, 237,406.34 and 39,949.81

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Solution

The fourth proportional to 158,285.54, 237,406.34 and 39,949.81 is: 59,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,285.54 : 237,406.34 = 39,949.81 : x
  2. Step 2: Convert to fraction form
    158,285.54/237,406.34 = 39,949.81/x
  3. Step 3: Cross multiply
    158,285.54x = 237,406.34 × 39,949.81
  4. Step 4: Simplify right side
    158,285.54x = 9,484,337,682.15
  5. Step 5: Solve for x
    x = 9,484,337,682.15/158,285.54
  6. Step 6: Final answer
    x = 59,919.17

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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.