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Finding the Fourth Proportional to 245.94, 368.88 and 124.29

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Solution

The fourth proportional to 245.94, 368.88 and 124.29 is: 186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.94 : 368.88 = 124.29 : x
  2. Step 2: Convert to fraction form
    245.94/368.88 = 124.29/x
  3. Step 3: Cross multiply
    245.94x = 368.88 × 124.29
  4. Step 4: Simplify right side
    245.94x = 45,848.10
  5. Step 5: Solve for x
    x = 45,848.10/245.94
  6. Step 6: Final answer
    x = 186.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.