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Finding the Fourth Proportional to 184, 276.08 and 70.08

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Solution

The fourth proportional to 184, 276.08 and 70.08 is: 105.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    184 : 276.08 = 70.08 : x
  2. Step 2: Convert to fraction form
    184/276.08 = 70.08/x
  3. Step 3: Cross multiply
    184x = 276.08 × 70.08
  4. Step 4: Simplify right side
    184x = 19,347.69
  5. Step 5: Solve for x
    x = 19,347.69/184
  6. Step 6: Final answer
    x = 105.15

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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.