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Finding the Fourth Proportional to 237.04, 355.48 and 74.68

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Solution

The fourth proportional to 237.04, 355.48 and 74.68 is: 111.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.04 : 355.48 = 74.68 : x
  2. Step 2: Convert to fraction form
    237.04/355.48 = 74.68/x
  3. Step 3: Cross multiply
    237.04x = 355.48 × 74.68
  4. Step 4: Simplify right side
    237.04x = 26,547.25
  5. Step 5: Solve for x
    x = 26,547.25/237.04
  6. Step 6: Final answer
    x = 111.99

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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.