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Finding the Fourth Proportional to 158.63, 238.00 and 55.94

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Solution

The fourth proportional to 158.63, 238.00 and 55.94 is: 83.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.63 : 238.00 = 55.94 : x
  2. Step 2: Convert to fraction form
    158.63/238.00 = 55.94/x
  3. Step 3: Cross multiply
    158.63x = 238.00 × 55.94
  4. Step 4: Simplify right side
    158.63x = 13,312.98
  5. Step 5: Solve for x
    x = 13,312.98/158.63
  6. Step 6: Final answer
    x = 83.92

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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.