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Finding the Fourth Proportional to 370.02, 555 and 96.12

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Solution

The fourth proportional to 370.02, 555 and 96.12 is: 144.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.02 : 555 = 96.12 : x
  2. Step 2: Convert to fraction form
    370.02/555 = 96.12/x
  3. Step 3: Cross multiply
    370.02x = 555 × 96.12
  4. Step 4: Simplify right side
    370.02x = 53,346.60
  5. Step 5: Solve for x
    x = 53,346.60/370.02
  6. Step 6: Final answer
    x = 144.17

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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.