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Finding the Fourth Proportional to 295.06, 442.54 and 148.66

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Solution

The fourth proportional to 295.06, 442.54 and 148.66 is: 222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.06 : 442.54 = 148.66 : x
  2. Step 2: Convert to fraction form
    295.06/442.54 = 148.66/x
  3. Step 3: Cross multiply
    295.06x = 442.54 × 148.66
  4. Step 4: Simplify right side
    295.06x = 65,788.00
  5. Step 5: Solve for x
    x = 65,788.00/295.06
  6. Step 6: Final answer
    x = 222.96

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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.