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Finding the Fourth Proportional to 302.32, 453.51 and 109.93

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Solution

The fourth proportional to 302.32, 453.51 and 109.93 is: 164.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.32 : 453.51 = 109.93 : x
  2. Step 2: Convert to fraction form
    302.32/453.51 = 109.93/x
  3. Step 3: Cross multiply
    302.32x = 453.51 × 109.93
  4. Step 4: Simplify right side
    302.32x = 49,854.35
  5. Step 5: Solve for x
    x = 49,854.35/302.32
  6. Step 6: Final answer
    x = 164.91

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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.