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Finding the Fourth Proportional to 189,276.94, 283,820.54 and 62,872.87

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Solution

The fourth proportional to 189,276.94, 283,820.54 and 62,872.87 is: 94,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,276.94 : 283,820.54 = 62,872.87 : x
  2. Step 2: Convert to fraction form
    189,276.94/283,820.54 = 62,872.87/x
  3. Step 3: Cross multiply
    189,276.94x = 283,820.54 × 62,872.87
  4. Step 4: Simplify right side
    189,276.94x = 17,844,610,978.41
  5. Step 5: Solve for x
    x = 17,844,610,978.41/189,276.94
  6. Step 6: Final answer
    x = 94,277.78

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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.