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Finding the Fourth Proportional to 95.07, 142.50 and 49.37

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Solution

The fourth proportional to 95.07, 142.50 and 49.37 is: 74.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.07 : 142.50 = 49.37 : x
  2. Step 2: Convert to fraction form
    95.07/142.50 = 49.37/x
  3. Step 3: Cross multiply
    95.07x = 142.50 × 49.37
  4. Step 4: Simplify right side
    95.07x = 7,035.23
  5. Step 5: Solve for x
    x = 7,035.23/95.07
  6. Step 6: Final answer
    x = 74.00

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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.