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Finding the Fourth Proportional to 153.47, 230.24 and 62.23

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Solution

The fourth proportional to 153.47, 230.24 and 62.23 is: 93.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    153.47 : 230.24 = 62.23 : x
  2. Step 2: Convert to fraction form
    153.47/230.24 = 62.23/x
  3. Step 3: Cross multiply
    153.47x = 230.24 × 62.23
  4. Step 4: Simplify right side
    153.47x = 14,327.42
  5. Step 5: Solve for x
    x = 14,327.42/153.47
  6. Step 6: Final answer
    x = 93.36

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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.