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Finding the Fourth Proportional to 114.99, 172.46 and 37.93

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Solution

The fourth proportional to 114.99, 172.46 and 37.93 is: 56.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.99 : 172.46 = 37.93 : x
  2. Step 2: Convert to fraction form
    114.99/172.46 = 37.93/x
  3. Step 3: Cross multiply
    114.99x = 172.46 × 37.93
  4. Step 4: Simplify right side
    114.99x = 6,541.22
  5. Step 5: Solve for x
    x = 6,541.22/114.99
  6. Step 6: Final answer
    x = 56.89

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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.