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Finding the Fourth Proportional to 104,951.52, 144,832.32 and 57,204.72

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Solution

The fourth proportional to 104,951.52, 144,832.32 and 57,204.72 is: 78,942.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,951.52 : 144,832.32 = 57,204.72 : x
  2. Step 2: Convert to fraction form
    104,951.52/144,832.32 = 57,204.72/x
  3. Step 3: Cross multiply
    104,951.52x = 144,832.32 × 57,204.72
  4. Step 4: Simplify right side
    104,951.52x = 8,285,092,312.55
  5. Step 5: Solve for x
    x = 8,285,092,312.55/104,951.52
  6. Step 6: Final answer
    x = 78,942.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.