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Finding the Fourth Proportional to 153.84, 230.64 and 62.52

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Solution

The fourth proportional to 153.84, 230.64 and 62.52 is: 93.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    153.84 : 230.64 = 62.52 : x
  2. Step 2: Convert to fraction form
    153.84/230.64 = 62.52/x
  3. Step 3: Cross multiply
    153.84x = 230.64 × 62.52
  4. Step 4: Simplify right side
    153.84x = 14,419.61
  5. Step 5: Solve for x
    x = 14,419.61/153.84
  6. Step 6: Final answer
    x = 93.73

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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.