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Finding the Fourth Proportional to 104,211.01, 143,818.49 and 58,893.18

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Solution

The fourth proportional to 104,211.01, 143,818.49 and 58,893.18 is: 81,276.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,211.01 : 143,818.49 = 58,893.18 : x
  2. Step 2: Convert to fraction form
    104,211.01/143,818.49 = 58,893.18/x
  3. Step 3: Cross multiply
    104,211.01x = 143,818.49 × 58,893.18
  4. Step 4: Simplify right side
    104,211.01x = 8,469,927,495.54
  5. Step 5: Solve for x
    x = 8,469,927,495.54/104,211.01
  6. Step 6: Final answer
    x = 81,276.71

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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.