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Finding the Fourth Proportional to 118.04, 176.93 and 49.59

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Solution

The fourth proportional to 118.04, 176.93 and 49.59 is: 74.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118.04 : 176.93 = 49.59 : x
  2. Step 2: Convert to fraction form
    118.04/176.93 = 49.59/x
  3. Step 3: Cross multiply
    118.04x = 176.93 × 49.59
  4. Step 4: Simplify right side
    118.04x = 8,773.71
  5. Step 5: Solve for x
    x = 8,773.71/118.04
  6. Step 6: Final answer
    x = 74.33

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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.