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Finding the Fourth Proportional to 189,951.75, 285,026.04 and 96,457.50

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Solution

The fourth proportional to 189,951.75, 285,026.04 and 96,457.50 is: 144,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,951.75 : 285,026.04 = 96,457.50 : x
  2. Step 2: Convert to fraction form
    189,951.75/285,026.04 = 96,457.50/x
  3. Step 3: Cross multiply
    189,951.75x = 285,026.04 × 96,457.50
  4. Step 4: Simplify right side
    189,951.75x = 27,492,899,253.30
  5. Step 5: Solve for x
    x = 27,492,899,253.30/189,951.75
  6. Step 6: Final answer
    x = 144,736.23

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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.