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Finding the Fourth Proportional to 94.68, 130.65 and 53.23

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Solution

The fourth proportional to 94.68, 130.65 and 53.23 is: 73.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.68 : 130.65 = 53.23 : x
  2. Step 2: Convert to fraction form
    94.68/130.65 = 53.23/x
  3. Step 3: Cross multiply
    94.68x = 130.65 × 53.23
  4. Step 4: Simplify right side
    94.68x = 6,954.17
  5. Step 5: Solve for x
    x = 6,954.17/94.68
  6. Step 6: Final answer
    x = 73.45

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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.