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Finding the Fourth Proportional to 294.13, 441.29 and 99.23

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Solution

The fourth proportional to 294.13, 441.29 and 99.23 is: 148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.13 : 441.29 = 99.23 : x
  2. Step 2: Convert to fraction form
    294.13/441.29 = 99.23/x
  3. Step 3: Cross multiply
    294.13x = 441.29 × 99.23
  4. Step 4: Simplify right side
    294.13x = 43,787.00
  5. Step 5: Solve for x
    x = 43,787.00/294.13
  6. Step 6: Final answer
    x = 148.87

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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.