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Finding the Fourth Proportional to 189,276.48, 283,564.80 and 95,558.40

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Solution

The fourth proportional to 189,276.48, 283,564.80 and 95,558.40 is: 143,160.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,276.48 : 283,564.80 = 95,558.40 : x
  2. Step 2: Convert to fraction form
    189,276.48/283,564.80 = 95,558.40/x
  3. Step 3: Cross multiply
    189,276.48x = 283,564.80 × 95,558.40
  4. Step 4: Simplify right side
    189,276.48x = 27,096,998,584.32
  5. Step 5: Solve for x
    x = 27,096,998,584.32/189,276.48
  6. Step 6: Final answer
    x = 143,160.94

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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.