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Finding the Fourth Proportional to 114.13, 157.50 and 62.38

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Solution

The fourth proportional to 114.13, 157.50 and 62.38 is: 86.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.13 : 157.50 = 62.38 : x
  2. Step 2: Convert to fraction form
    114.13/157.50 = 62.38/x
  3. Step 3: Cross multiply
    114.13x = 157.50 × 62.38
  4. Step 4: Simplify right side
    114.13x = 9,823.75
  5. Step 5: Solve for x
    x = 9,823.75/114.13
  6. Step 6: Final answer
    x = 86.08

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Why These Related Problems?

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