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Finding the Fourth Proportional to 152, 227.59 and 117.49

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Solution

The fourth proportional to 152, 227.59 and 117.49 is: 175.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    152 : 227.59 = 117.49 : x
  2. Step 2: Convert to fraction form
    152/227.59 = 117.49/x
  3. Step 3: Cross multiply
    152x = 227.59 × 117.49
  4. Step 4: Simplify right side
    152x = 26,738.41
  5. Step 5: Solve for x
    x = 26,738.41/152
  6. Step 6: Final answer
    x = 175.91

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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.