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Finding the Fourth Proportional to 160.23, 240.36 and 52

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Solution

The fourth proportional to 160.23, 240.36 and 52 is: 78.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.23 : 240.36 = 52 : x
  2. Step 2: Convert to fraction form
    160.23/240.36 = 52/x
  3. Step 3: Cross multiply
    160.23x = 240.36 × 52
  4. Step 4: Simplify right side
    160.23x = 12,498.72
  5. Step 5: Solve for x
    x = 12,498.72/160.23
  6. Step 6: Final answer
    x = 78.00

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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.