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Finding the Fourth Proportional to 152.63, 229.01 and 64.83

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Solution

The fourth proportional to 152.63, 229.01 and 64.83 is: 97.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.63 : 229.01 = 64.83 : x
  2. Step 2: Convert to fraction form
    152.63/229.01 = 64.83/x
  3. Step 3: Cross multiply
    152.63x = 229.01 × 64.83
  4. Step 4: Simplify right side
    152.63x = 14,846.39
  5. Step 5: Solve for x
    x = 14,846.39/152.63
  6. Step 6: Final answer
    x = 97.27

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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.