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Finding the Fourth Proportional to 176.07, 242.98 and 110.53

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Solution

The fourth proportional to 176.07, 242.98 and 110.53 is: 152.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.07 : 242.98 = 110.53 : x
  2. Step 2: Convert to fraction form
    176.07/242.98 = 110.53/x
  3. Step 3: Cross multiply
    176.07x = 242.98 × 110.53
  4. Step 4: Simplify right side
    176.07x = 26,857.23
  5. Step 5: Solve for x
    x = 26,857.23/176.07
  6. Step 6: Final answer
    x = 152.53

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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.