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Finding the Fourth Proportional to 239,816.34, 359,767.71 and 119,935.80

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Solution

The fourth proportional to 239,816.34, 359,767.71 and 119,935.80 is: 179,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,816.34 : 359,767.71 = 119,935.80 : x
  2. Step 2: Convert to fraction form
    239,816.34/359,767.71 = 119,935.80/x
  3. Step 3: Cross multiply
    239,816.34x = 359,767.71 × 119,935.80
  4. Step 4: Simplify right side
    239,816.34x = 43,149,028,113.02
  5. Step 5: Solve for x
    x = 43,149,028,113.02/239,816.34
  6. Step 6: Final answer
    x = 179,925.30

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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.