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Finding the Fourth Proportional to 98.56, 148.02 and 93.52

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Solution

The fourth proportional to 98.56, 148.02 and 93.52 is: 140.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98.56 : 148.02 = 93.52 : x
  2. Step 2: Convert to fraction form
    98.56/148.02 = 93.52/x
  3. Step 3: Cross multiply
    98.56x = 148.02 × 93.52
  4. Step 4: Simplify right side
    98.56x = 13,842.83
  5. Step 5: Solve for x
    x = 13,842.83/98.56
  6. Step 6: Final answer
    x = 140.45

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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.