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Finding the Fourth Proportional to 192.09, 288.16 and 62.10

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Solution

The fourth proportional to 192.09, 288.16 and 62.10 is: 93.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.09 : 288.16 = 62.10 : x
  2. Step 2: Convert to fraction form
    192.09/288.16 = 62.10/x
  3. Step 3: Cross multiply
    192.09x = 288.16 × 62.10
  4. Step 4: Simplify right side
    192.09x = 17,894.58
  5. Step 5: Solve for x
    x = 17,894.58/192.09
  6. Step 6: Final answer
    x = 93.16

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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.