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Finding the Fourth Proportional to 189,670.96, 284,520.96 and 56,541.04

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Solution

The fourth proportional to 189,670.96, 284,520.96 and 56,541.04 is: 84,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,670.96 : 284,520.96 = 56,541.04 : x
  2. Step 2: Convert to fraction form
    189,670.96/284,520.96 = 56,541.04/x
  3. Step 3: Cross multiply
    189,670.96x = 284,520.96 × 56,541.04
  4. Step 4: Simplify right side
    189,670.96x = 16,087,110,980.20
  5. Step 5: Solve for x
    x = 16,087,110,980.20/189,670.96
  6. Step 6: Final answer
    x = 84,815.89

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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.