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Finding the Fourth Proportional to 175.47, 242.31 and 110.08

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Solution

The fourth proportional to 175.47, 242.31 and 110.08 is: 152.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.47 : 242.31 = 110.08 : x
  2. Step 2: Convert to fraction form
    175.47/242.31 = 110.08/x
  3. Step 3: Cross multiply
    175.47x = 242.31 × 110.08
  4. Step 4: Simplify right side
    175.47x = 26,674.11
  5. Step 5: Solve for x
    x = 26,674.11/175.47
  6. Step 6: Final answer
    x = 152.02

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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.