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Finding the Fourth Proportional to 242.06, 333.69 and 183.74

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Solution

The fourth proportional to 242.06, 333.69 and 183.74 is: 253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.06 : 333.69 = 183.74 : x
  2. Step 2: Convert to fraction form
    242.06/333.69 = 183.74/x
  3. Step 3: Cross multiply
    242.06x = 333.69 × 183.74
  4. Step 4: Simplify right side
    242.06x = 61,312.20
  5. Step 5: Solve for x
    x = 61,312.20/242.06
  6. Step 6: Final answer
    x = 253.29

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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.