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Finding the Fourth Proportional to 184.02, 253.98 and 151.22

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Solution

The fourth proportional to 184.02, 253.98 and 151.22 is: 208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.02 : 253.98 = 151.22 : x
  2. Step 2: Convert to fraction form
    184.02/253.98 = 151.22/x
  3. Step 3: Cross multiply
    184.02x = 253.98 × 151.22
  4. Step 4: Simplify right side
    184.02x = 38,405.59
  5. Step 5: Solve for x
    x = 38,405.59/184.02
  6. Step 6: Final answer
    x = 208.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.