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Finding the Fourth Proportional to 155,797.64, 234,134.66 and 92,629.11

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Solution

The fourth proportional to 155,797.64, 234,134.66 and 92,629.11 is: 139,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,797.64 : 234,134.66 = 92,629.11 : x
  2. Step 2: Convert to fraction form
    155,797.64/234,134.66 = 92,629.11/x
  3. Step 3: Cross multiply
    155,797.64x = 234,134.66 × 92,629.11
  4. Step 4: Simplify right side
    155,797.64x = 21,687,685,175.95
  5. Step 5: Solve for x
    x = 21,687,685,175.95/155,797.64
  6. Step 6: Final answer
    x = 139,204.20

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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.