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Finding the Fourth Proportional to 160.04, 239.65 and 125.99

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Solution

The fourth proportional to 160.04, 239.65 and 125.99 is: 188.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.04 : 239.65 = 125.99 : x
  2. Step 2: Convert to fraction form
    160.04/239.65 = 125.99/x
  3. Step 3: Cross multiply
    160.04x = 239.65 × 125.99
  4. Step 4: Simplify right side
    160.04x = 30,192.31
  5. Step 5: Solve for x
    x = 30,192.31/160.04
  6. Step 6: Final answer
    x = 188.66

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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.