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Finding the Fourth Proportional to 101.93, 153.56 and 97.47

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Solution

The fourth proportional to 101.93, 153.56 and 97.47 is: 146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.93 : 153.56 = 97.47 : x
  2. Step 2: Convert to fraction form
    101.93/153.56 = 97.47/x
  3. Step 3: Cross multiply
    101.93x = 153.56 × 97.47
  4. Step 4: Simplify right side
    101.93x = 14,967.74
  5. Step 5: Solve for x
    x = 14,967.74/101.93
  6. Step 6: Final answer
    x = 146.85

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.