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Finding the Fourth Proportional to 153.67, 230.53 and 62.35

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Solution

The fourth proportional to 153.67, 230.53 and 62.35 is: 93.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    153.67 : 230.53 = 62.35 : x
  2. Step 2: Convert to fraction form
    153.67/230.53 = 62.35/x
  3. Step 3: Cross multiply
    153.67x = 230.53 × 62.35
  4. Step 4: Simplify right side
    153.67x = 14,373.55
  5. Step 5: Solve for x
    x = 14,373.55/153.67
  6. Step 6: Final answer
    x = 93.54

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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.