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Finding the Fourth Proportional to 150.04, 225.03 and 57.47

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Solution

The fourth proportional to 150.04, 225.03 and 57.47 is: 86.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.04 : 225.03 = 57.47 : x
  2. Step 2: Convert to fraction form
    150.04/225.03 = 57.47/x
  3. Step 3: Cross multiply
    150.04x = 225.03 × 57.47
  4. Step 4: Simplify right side
    150.04x = 12,933.24
  5. Step 5: Solve for x
    x = 12,933.24/150.04
  6. Step 6: Final answer
    x = 86.20

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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.