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Finding the Fourth Proportional to 358,716.08, 537,887.29 and 133,891.64

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Solution

The fourth proportional to 358,716.08, 537,887.29 and 133,891.64 is: 200,767.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,716.08 : 537,887.29 = 133,891.64 : x
  2. Step 2: Convert to fraction form
    358,716.08/537,887.29 = 133,891.64/x
  3. Step 3: Cross multiply
    358,716.08x = 537,887.29 × 133,891.64
  4. Step 4: Simplify right side
    358,716.08x = 72,018,611,393.26
  5. Step 5: Solve for x
    x = 72,018,611,393.26/358,716.08
  6. Step 6: Final answer
    x = 200,767.73

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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.