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Finding the Fourth Proportional to 189,606.98, 284,451.47 and 56,497.96

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Solution

The fourth proportional to 189,606.98, 284,451.47 and 56,497.96 is: 84,759.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,606.98 : 284,451.47 = 56,497.96 : x
  2. Step 2: Convert to fraction form
    189,606.98/284,451.47 = 56,497.96/x
  3. Step 3: Cross multiply
    189,606.98x = 284,451.47 × 56,497.96
  4. Step 4: Simplify right side
    189,606.98x = 16,070,926,617.80
  5. Step 5: Solve for x
    x = 16,070,926,617.80/189,606.98
  6. Step 6: Final answer
    x = 84,759.15

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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.