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Finding the Fourth Proportional to 141,797.52, 212,104.44 and 99,674.64

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Solution

The fourth proportional to 141,797.52, 212,104.44 and 99,674.64 is: 149,095.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,797.52 : 212,104.44 = 99,674.64 : x
  2. Step 2: Convert to fraction form
    141,797.52/212,104.44 = 99,674.64/x
  3. Step 3: Cross multiply
    141,797.52x = 212,104.44 × 99,674.64
  4. Step 4: Simplify right side
    141,797.52x = 21,141,433,699.40
  5. Step 5: Solve for x
    x = 21,141,433,699.40/141,797.52
  6. Step 6: Final answer
    x = 149,095.93

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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.