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Finding the Fourth Proportional to 176.71, 265.06 and 74.00

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Solution

The fourth proportional to 176.71, 265.06 and 74.00 is: 111.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.71 : 265.06 = 74.00 : x
  2. Step 2: Convert to fraction form
    176.71/265.06 = 74.00/x
  3. Step 3: Cross multiply
    176.71x = 265.06 × 74.00
  4. Step 4: Simplify right side
    176.71x = 19,614.72
  5. Step 5: Solve for x
    x = 19,614.72/176.71
  6. Step 6: Final answer
    x = 111.00

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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.