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Finding the Fourth Proportional to 189,484.56, 284,256 and 63,081.45

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Solution

The fourth proportional to 189,484.56, 284,256 and 63,081.45 is: 94,631.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,484.56 : 284,256 = 63,081.45 : x
  2. Step 2: Convert to fraction form
    189,484.56/284,256 = 63,081.45/x
  3. Step 3: Cross multiply
    189,484.56x = 284,256 × 63,081.45
  4. Step 4: Simplify right side
    189,484.56x = 17,931,280,651.20
  5. Step 5: Solve for x
    x = 17,931,280,651.20/189,484.56
  6. Step 6: Final answer
    x = 94,631.88

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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.