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Finding the Fourth Proportional to 191.04, 285.18 and 184.62

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Solution

The fourth proportional to 191.04, 285.18 and 184.62 is: 275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.04 : 285.18 = 184.62 : x
  2. Step 2: Convert to fraction form
    191.04/285.18 = 184.62/x
  3. Step 3: Cross multiply
    191.04x = 285.18 × 184.62
  4. Step 4: Simplify right side
    191.04x = 52,649.93
  5. Step 5: Solve for x
    x = 52,649.93/191.04
  6. Step 6: Final answer
    x = 275.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.