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Finding the Fourth Proportional to 189,654.73, 284,622.08 and 89,814.73

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Solution

The fourth proportional to 189,654.73, 284,622.08 and 89,814.73 is: 134,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,654.73 : 284,622.08 = 89,814.73 : x
  2. Step 2: Convert to fraction form
    189,654.73/284,622.08 = 89,814.73/x
  3. Step 3: Cross multiply
    189,654.73x = 284,622.08 × 89,814.73
  4. Step 4: Simplify right side
    189,654.73x = 25,563,255,267.24
  5. Step 5: Solve for x
    x = 25,563,255,267.24/189,654.73
  6. Step 6: Final answer
    x = 134,788.39

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1.5x scale

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.