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Finding the Fourth Proportional to 148.75, 223.14 and 62.07

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Solution

The fourth proportional to 148.75, 223.14 and 62.07 is: 93.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.75 : 223.14 = 62.07 : x
  2. Step 2: Convert to fraction form
    148.75/223.14 = 62.07/x
  3. Step 3: Cross multiply
    148.75x = 223.14 × 62.07
  4. Step 4: Simplify right side
    148.75x = 13,849.70
  5. Step 5: Solve for x
    x = 13,849.70/148.75
  6. Step 6: Final answer
    x = 93.11

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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.