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Finding the Fourth Proportional to 98.11, 147.27 and 95.93

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Solution

The fourth proportional to 98.11, 147.27 and 95.93 is: 144.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98.11 : 147.27 = 95.93 : x
  2. Step 2: Convert to fraction form
    98.11/147.27 = 95.93/x
  3. Step 3: Cross multiply
    98.11x = 147.27 × 95.93
  4. Step 4: Simplify right side
    98.11x = 14,128.08
  5. Step 5: Solve for x
    x = 14,128.08/98.11
  6. Step 6: Final answer
    x = 144.00

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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.