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Finding the Fourth Proportional to 410,145.59, 615,175.02 and 110,607.66

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Solution

The fourth proportional to 410,145.59, 615,175.02 and 110,607.66 is: 165,899.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,145.59 : 615,175.02 = 110,607.66 : x
  2. Step 2: Convert to fraction form
    410,145.59/615,175.02 = 110,607.66/x
  3. Step 3: Cross multiply
    410,145.59x = 615,175.02 × 110,607.66
  4. Step 4: Simplify right side
    410,145.59x = 68,043,069,452.65
  5. Step 5: Solve for x
    x = 68,043,069,452.65/410,145.59
  6. Step 6: Final answer
    x = 165,899.79

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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.