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Finding the Fourth Proportional to 242.31, 334.04 and 183.99

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Solution

The fourth proportional to 242.31, 334.04 and 183.99 is: 253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.31 : 334.04 = 183.99 : x
  2. Step 2: Convert to fraction form
    242.31/334.04 = 183.99/x
  3. Step 3: Cross multiply
    242.31x = 334.04 × 183.99
  4. Step 4: Simplify right side
    242.31x = 61,459.10
  5. Step 5: Solve for x
    x = 61,459.10/242.31
  6. Step 6: Final answer
    x = 253.64

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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.