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Finding the Fourth Proportional to 356.16, 534 and 125.04

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Solution

The fourth proportional to 356.16, 534 and 125.04 is: 187.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.16 : 534 = 125.04 : x
  2. Step 2: Convert to fraction form
    356.16/534 = 125.04/x
  3. Step 3: Cross multiply
    356.16x = 534 × 125.04
  4. Step 4: Simplify right side
    356.16x = 66,771.36
  5. Step 5: Solve for x
    x = 66,771.36/356.16
  6. Step 6: Final answer
    x = 187.48

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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.