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Finding the Fourth Proportional to 189,817.68, 284,630.40 and 63,412.92

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Solution

The fourth proportional to 189,817.68, 284,630.40 and 63,412.92 is: 95,087.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,817.68 : 284,630.40 = 63,412.92 : x
  2. Step 2: Convert to fraction form
    189,817.68/284,630.40 = 63,412.92/x
  3. Step 3: Cross multiply
    189,817.68x = 284,630.40 × 63,412.92
  4. Step 4: Simplify right side
    189,817.68x = 18,049,244,784.77
  5. Step 5: Solve for x
    x = 18,049,244,784.77/189,817.68
  6. Step 6: Final answer
    x = 95,087.27

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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.