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Finding the Fourth Proportional to 248.93, 373.45 and 75.58

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Solution

The fourth proportional to 248.93, 373.45 and 75.58 is: 113.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.93 : 373.45 = 75.58 : x
  2. Step 2: Convert to fraction form
    248.93/373.45 = 75.58/x
  3. Step 3: Cross multiply
    248.93x = 373.45 × 75.58
  4. Step 4: Simplify right side
    248.93x = 28,225.16
  5. Step 5: Solve for x
    x = 28,225.16/248.93
  6. Step 6: Final answer
    x = 113.38

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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.