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Finding the Fourth Proportional to 294.06, 441.01 and 99.07

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Solution

The fourth proportional to 294.06, 441.01 and 99.07 is: 148.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.06 : 441.01 = 99.07 : x
  2. Step 2: Convert to fraction form
    294.06/441.01 = 99.07/x
  3. Step 3: Cross multiply
    294.06x = 441.01 × 99.07
  4. Step 4: Simplify right side
    294.06x = 43,690.86
  5. Step 5: Solve for x
    x = 43,690.86/294.06
  6. Step 6: Final answer
    x = 148.58

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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.