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Finding the Fourth Proportional to 184.04, 253.70 and 145.16

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Solution

The fourth proportional to 184.04, 253.70 and 145.16 is: 200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.04 : 253.70 = 145.16 : x
  2. Step 2: Convert to fraction form
    184.04/253.70 = 145.16/x
  3. Step 3: Cross multiply
    184.04x = 253.70 × 145.16
  4. Step 4: Simplify right side
    184.04x = 36,827.09
  5. Step 5: Solve for x
    x = 36,827.09/184.04
  6. Step 6: Final answer
    x = 200.10

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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.