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Finding the Fourth Proportional to 152.93, 229.26 and 117.02

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Solution

The fourth proportional to 152.93, 229.26 and 117.02 is: 175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.93 : 229.26 = 117.02 : x
  2. Step 2: Convert to fraction form
    152.93/229.26 = 117.02/x
  3. Step 3: Cross multiply
    152.93x = 229.26 × 117.02
  4. Step 4: Simplify right side
    152.93x = 26,826.85
  5. Step 5: Solve for x
    x = 26,826.85/152.93
  6. Step 6: Final answer
    x = 175.42

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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.