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Finding the Fourth Proportional to 164.48, 246.72 and 48.93

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Solution

The fourth proportional to 164.48, 246.72 and 48.93 is: 73.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.48 : 246.72 = 48.93 : x
  2. Step 2: Convert to fraction form
    164.48/246.72 = 48.93/x
  3. Step 3: Cross multiply
    164.48x = 246.72 × 48.93
  4. Step 4: Simplify right side
    164.48x = 12,070.99
  5. Step 5: Solve for x
    x = 12,070.99/164.48
  6. Step 6: Final answer
    x = 73.39

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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.