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Finding the Fourth Proportional to 375.94, 563.95 and 102.02

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Solution

The fourth proportional to 375.94, 563.95 and 102.02 is: 153.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.94 : 563.95 = 102.02 : x
  2. Step 2: Convert to fraction form
    375.94/563.95 = 102.02/x
  3. Step 3: Cross multiply
    375.94x = 563.95 × 102.02
  4. Step 4: Simplify right side
    375.94x = 57,534.18
  5. Step 5: Solve for x
    x = 57,534.18/375.94
  6. Step 6: Final answer
    x = 153.04

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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.