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Finding the Fourth Proportional to 212.13, 293.10 and 175.26

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Solution

The fourth proportional to 212.13, 293.10 and 175.26 is: 242.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    212.13 : 293.10 = 175.26 : x
  2. Step 2: Convert to fraction form
    212.13/293.10 = 175.26/x
  3. Step 3: Cross multiply
    212.13x = 293.10 × 175.26
  4. Step 4: Simplify right side
    212.13x = 51,368.71
  5. Step 5: Solve for x
    x = 51,368.71/212.13
  6. Step 6: Final answer
    x = 242.16

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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.