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Finding the Fourth Proportional to 148, 222.03 and 62.50

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Solution

The fourth proportional to 148, 222.03 and 62.50 is: 93.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148 : 222.03 = 62.50 : x
  2. Step 2: Convert to fraction form
    148/222.03 = 62.50/x
  3. Step 3: Cross multiply
    148x = 222.03 × 62.50
  4. Step 4: Simplify right side
    148x = 13,876.88
  5. Step 5: Solve for x
    x = 13,876.88/148
  6. Step 6: Final answer
    x = 93.76

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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.