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Finding the Fourth Proportional to 294.96, 442.68 and 124.08

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Solution

The fourth proportional to 294.96, 442.68 and 124.08 is: 186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.96 : 442.68 = 124.08 : x
  2. Step 2: Convert to fraction form
    294.96/442.68 = 124.08/x
  3. Step 3: Cross multiply
    294.96x = 442.68 × 124.08
  4. Step 4: Simplify right side
    294.96x = 54,927.73
  5. Step 5: Solve for x
    x = 54,927.73/294.96
  6. Step 6: Final answer
    x = 186.22

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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.