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Finding the Fourth Proportional to 99.34, 137.14 and 94.93

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Solution

The fourth proportional to 99.34, 137.14 and 94.93 is: 131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99.34 : 137.14 = 94.93 : x
  2. Step 2: Convert to fraction form
    99.34/137.14 = 94.93/x
  3. Step 3: Cross multiply
    99.34x = 137.14 × 94.93
  4. Step 4: Simplify right side
    99.34x = 13,018.89
  5. Step 5: Solve for x
    x = 13,018.89/99.34
  6. Step 6: Final answer
    x = 131.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.